APA (7th ed.) Citation
United States. Internal Revenue Service. (1987). Source book, statistics of income. Department of the Treasury, Internal Revenue Service.
Chicago Style (17th ed.) Citation
United States. Internal Revenue Service. Source Book, Statistics of Income. [Washington, D.C.?]: Department of the Treasury, Internal Revenue Service, 1987.
MLA (9th ed.) Citation
United States. Internal Revenue Service. Source Book, Statistics of Income. Department of the Treasury, Internal Revenue Service, 1987.
Warning: These citations may not always be 100% accurate.