APA (7th ed.) Citation

Hefner, H. M. (1956). Playboy annual. Waldorf Pub. Co..

Chicago Style (17th ed.) Citation

Hefner, Hugh M. Playboy Annual. New York: Waldorf Pub. Co., 1956.

MLA (9th ed.) Citation

Hefner, Hugh M. Playboy Annual. Waldorf Pub. Co., 1956.

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