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PDF Abbrev. for Portable Document Format. The file format created by Adobe Systems Acrobat to represent documents that are not dependent on the original application software, hardware, and operating system which created them. A PDF file can describe documents containing any combination of text, graphics, and images in a device and resolution independent format. PDF documents can be a single page or many hundreds of pages and can contain hyperlinks. The availability of free reading software makes this an attractive format for publishing information on the Internet. PDF files are also used for exchange of information when the format is important (e.g. legal or historical documents). They are now also the preferred method of supplying data to commercial printing houses. A PDF file can be produced from a PostScript file using Acrobat Distiller. Many word processing and DTP applications can also produce PDF files directly.

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Pick a style below, and copy the text for your bibliography.

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"PDF." The Oxford Dictionary of Abbreviations. . Encyclopedia.com. 21 Feb. 2018 <http://www.encyclopedia.com>.

"PDF." The Oxford Dictionary of Abbreviations. . Encyclopedia.com. (February 21, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/pdf

"PDF." The Oxford Dictionary of Abbreviations. . Retrieved February 21, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/pdf

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

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The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.