APA (7th ed.) Citation

Torrey, R. E. (1932). General botany for colleges. The Century co..

Chicago Style (17th ed.) Citation

Torrey, Ray Ethan. General Botany for Colleges. New York, London: The Century co., 1932.

MLA (9th ed.) Citation

Torrey, Ray Ethan. General Botany for Colleges. The Century co., 1932.