Gale Research Company, Crowley, E. T., & Thomas, R. C. (1973). Acronyms and initialisms dictionary: A guide to alphabetic designations, contractions, acronyms, initialisms, and similar condensed appellations (Fourth edition.).
Chicago Style (17th ed.) CitationGale Research Company, Ellen T. Crowley, and Robert C. Thomas. Acronyms and Initialisms Dictionary: A Guide to Alphabetic Designations, Contractions, Acronyms, Initialisms, and Similar Condensed Appellations. Fourth edition. Detroit, 1973.
MLA (9th ed.) CitationGale Research Company, et al. Acronyms and Initialisms Dictionary: A Guide to Alphabetic Designations, Contractions, Acronyms, Initialisms, and Similar Condensed Appellations. Fourth edition. 1973.
Warning: These citations may not always be 100% accurate.