APA (7th ed.) Citation

Honegger, W., Burla, H., & Schnitter, M. Genetics: Heredity, environment and personality.

Chicago Style (17th ed.) Citation

Honegger, Warja, Hans Burla, and Marco Schnitter. Genetics: Heredity, Environment and Personality.

MLA (8th ed.) Citation

Honegger, Warja, et al. Genetics: Heredity, Environment and Personality.