APA (7th ed.) Citation

Gaa, C. J. (1965). Federal income taxation: Fundamental questions, problems, and cases. McGraw-Hill.

Chicago Style (17th ed.) Citation

Gaa, Charles John. Federal Income Taxation: Fundamental Questions, Problems, and Cases. New York: McGraw-Hill, 1965.

MLA (9th ed.) Citation

Gaa, Charles John. Federal Income Taxation: Fundamental Questions, Problems, and Cases. McGraw-Hill, 1965.