APA (7th ed.) Citation

Clark, R. L., & Cumley, R. W. (1968). The year book of cancer 1967-1968. Year Book Medical Publishers.

Chicago Style (17th ed.) Citation

Clark, Randolph Lee, and Russell W. Cumley. The Year Book of Cancer 1967-1968. Chicago: Year Book Medical Publishers, 1968.

MLA (8th ed.) Citation

Clark, Randolph Lee, and Russell W. Cumley. The Year Book of Cancer 1967-1968. Year Book Medical Publishers, 1968.

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