APA (7th ed.) Citation

Roberts, P. (1956). Patterns of English / by Paul Roberts. Harcourt, Brace and World.

Chicago Style (17th ed.) Citation

Roberts, Paul. Patterns of English / by Paul Roberts. Harcourt, Brace and World, 1956.

MLA (9th ed.) Citation

Roberts, Paul. Patterns of English / by Paul Roberts. Harcourt, Brace and World, 1956.

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