APA (7th ed.) Citation

Roberts, P. (1956). Patterns of English. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Roberts, Paul. Patterns of English. New York: Harcourt, Brace & World, 1956.

MLA (9th ed.) Citation

Roberts, Paul. Patterns of English. Harcourt, Brace & World, 1956.