APA (7th ed.) Citation

Mertens, J. (1942). The law of Federal income taxation. Callaghan.

Chicago Style (17th ed.) Citation

Mertens, Jacob. The Law of Federal Income Taxation. Chicago: Callaghan, 1942.

MLA (9th ed.) Citation

Mertens, Jacob. The Law of Federal Income Taxation. Callaghan, 1942.