APA (7th ed.) Citation

Hardin, G., Gillespie, E. L., & Warshaw, H. (1966). Biology: Its principles and implications (2nd edition.). W. H. Freeman.

Chicago Style (17th ed.) Citation

Hardin, Garrett, Evan L. Gillespie, and Howard Warshaw. Biology: Its Principles and Implications. 2nd edition. San Francisco: W. H. Freeman, 1966.

MLA (8th ed.) Citation

Hardin, Garrett, et al. Biology: Its Principles and Implications. 2nd edition. W. H. Freeman, 1966.