APA (7th ed.) Citation

Hardin, G. J. (1952). Biology: Its human implications (2d ed.). W. H. Freeman.

Chicago Style (17th ed.) Citation

Hardin, Garrett James. Biology: Its Human Implications. 2d ed. San Francisco: W. H. Freeman, 1952.

MLA (9th ed.) Citation

Hardin, Garrett James. Biology: Its Human Implications. 2d ed. W. H. Freeman, 1952.