APA (7th ed.) Citation

Plomin, R., DeFries, J. C., & McClearn, G. E. (2001). Behavioral genetics (4th edition.). Worth Pubs.

Chicago Style (17th ed.) Citation

Plomin, Robert, J. C. DeFries, and Gerald E. McClearn. Behavioral Genetics. 4th edition. New York: Worth Pubs, 2001.

MLA (8th ed.) Citation

Plomin, Robert, et al. Behavioral Genetics. 4th edition. Worth Pubs, 2001.