APA (7th ed.) Citation

Popkin, W. D. (1994). Fundamentals of federal income tax law. Bender.

Chicago Style (17th ed.) Citation

Popkin, William D. Fundamentals of Federal Income Tax Law. New York, NY: Bender, 1994.

MLA (9th ed.) Citation

Popkin, William D. Fundamentals of Federal Income Tax Law. Bender, 1994.

Warning: These citations may not always be 100% accurate.