APA (7th ed.) Citation

Plomin, R., DeFries, J. C., MacClearn, G. E., MacClearn, G. E., & MacClearn, G. E. (1990). Behavioral genetics: A primer (2. ed.). Freeman.

Chicago Style (17th ed.) Citation

Plomin, Robert, John C. DeFries, G. E. MacClearn, Gerald E. MacClearn, and Gerald E. MacClearn. Behavioral Genetics: A Primer. 2. ed. New York: Freeman, 1990.

MLA (8th ed.) Citation

Plomin, Robert, et al. Behavioral Genetics: A Primer. 2. ed. Freeman, 1990.