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Remember that for each work you must follow the rules of the publisher or the specific entity to which the manuscript is addressed.

If you use a bibliographic management program (Mendeley, Refworks, Zotero, ...) any saved citation can be transformed into the citation format you request.

Here is a summary of the most used styles.

UNE-ISO 690:2013 (Multidisciplinary)

Multidisciplinary field of application . It proposes a general framework with a series of recommendations for the writing of bibliographic references and citations of bibliographic resources (monographs, series, cartographic materials, sound recordings, music, audiovisual materials, electronic resources, patents, etc...). It does not apply to legal appointments that have their own rules.

It establishes an order for the elements of the reference as well as conventions for the transcription and presentation of information derived from the source publication.

AENOR has published the Spanish version of the UNE-ISO 690:2013 Standard.

➢  Standard ISO 690:2010(E) . UA Library
➢  How to cite bibliography: UNE-ISO 690:2013. UC3M Library
Citation guide and bibliographic references according to the UNE-ISO 690:2013 standard . Faculty of Fine Arts, University of Seville

ACS (Chemistry)

Citation rules style adopted by the  American Chemical Society . Recommended style in the field of  Chemistry.

APA (Social and Behavioural Sciences)

The APA style, developed by the American Psychological Association  for the first time in 1929, is the editorial style mostly adopted to present works in the areas of  Social and Behavioral Sciences .

The seventh edition of the  Publication Manual of the American Psychological Association (2019), has been revised to reflect new standards in publishing and new practices in information and content dissemination. In addition to the basic rules of APA writing style, guidelines are given on submitting articles to scientific journals, inclusive language, and ethical and best practice guidelines.

CHICAGO (Humanities, Natural and Social Sciences)

Style developed by the University of Chicago, has a wide diffusion in Humanities, Natural and Social Sciences.

The characteristic of this system is that it proposes two different ways of presenting the citations, depending on the subject matter and the nature of the cited sources and the traditions in each discipline:

  1. The Notes-Bibliography system, used in Literature, History and Art.
  2. The Author-Year system, preferred in the Natural and Social Sciences.
HARVARD (Physics, Natural Sciences, Humanities and Social Sciences)

The style developed at the University of Harvard during the 50s, became popular especially in the area of  ​​Physics and  Natural Sciences and, more recently, in the Human and  Social Sciences. Also called  author-date, due to the citation method it uses. The system  does not  use footnotes.

More than a unique model, it is a standard with variations in its application, with a wide following in the Anglo-Saxon world. Among the best-known variants is the Style manual: for authors, editors and printers, originally published by the Australian government, and the British Standards, adopted by most universities and research centers in the United Kingdom.

IEEE (Institute of Electrical and Electronics Engineers) (Enginyeries)

Presentation style and format based on the Chicago style, widely accepted by academic writings in the field of  Engineering, especially in the areas of  electronics  and  computing. In the IEEE style, the citation within the text is exclusively numerical, represented graphically between brackets, and consecutive, following the order in which the documents were mentioned, without it being necessary to mention the name of the author or the date of publication. Once a number is assigned to a source, the same number must be used in all references to that source within the text. Full bibliographic information is included exclusively in the list of references, together with the respective citation number, at the end of the document. In this final bibliography, no documents will be added that have not been previously cited in the text.

MLA (Social Sciences, Humanities, Linguistics, Language and Literature)

It is the style developed by the Modern Language Association  (MLA), used primarily in the fields of  Social Sciences, Humanities, Linguistics, Language and Literature. It was updated in 2016 to adapt to new electronic publication formats. The eighth edition of the MLA Handbook recommends a set of guidelines that can be applied to any class of format. It also includes pointers on plagiarism and academic dishonesty and advice on evaluating sources. Works are referenced in the text with short citations with the cited author's last name and the cited source page in parentheses, which direct readers to the Works Cited List entries at the end of the work.

VANCOUVER and NLM STYLE (Health Sciences, Biomedicine and Veterinary)

The  International Committee of Medical Journal Editors (ICMJE) met in 1978 in Vancouver and established the Uniform Requirements for Manuscripts (URM), which established the format guidelines that manuscripts submitted to their magazines. These requirements, which included formats for bibliographic references, were later developed by the National Library of Medicine (NLM), and first published in 1979.

The second edition of  Citing Medicine has been updated in order to adapt to the way in which the Internet has varied the ways of disseminating and accessing information, with special emphasis on the citation of the electronic publication in all its formats.

CITING LEGAL SOURCES

General recommendations for the preparation of citations and references corresponding to legal texts and jurisprudence.