APA (7th ed.) Citation

Pianka, E. R. (1994). Evolutionary ecology (5th ed.). HarperCollins.

Chicago Style (17th ed.) Citation

Pianka, Eric R. Evolutionary Ecology. 5th ed. New York: HarperCollins, 1994.

MLA (9th ed.) Citation

Pianka, Eric R. Evolutionary Ecology. 5th ed. HarperCollins, 1994.

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