APA (7th ed.) Citation

Langenderfer, H. Q. (1990). Federal income taxation (1990 ed.). South-Western.

Chicago Style (17th ed.) Citation

Langenderfer, Harold Q. Federal Income Taxation. 1990 ed. Cincinnati, Ohio: South-Western, 1990.

MLA (9th ed.) Citation

Langenderfer, Harold Q. Federal Income Taxation. 1990 ed. South-Western, 1990.