APA (7th ed.) Citation

Sommers, R. (1987). The U.S. Open: Golf's ultimate challenge. Atheneum.

Chicago Style (17th ed.) Citation

Sommers, Robert. The U.S. Open: Golf's Ultimate Challenge. New York: Atheneum, 1987.

MLA (9th ed.) Citation

Sommers, Robert. The U.S. Open: Golf's Ultimate Challenge. Atheneum, 1987.