APA (7th ed.) Citation

Klug, W. S., Cummings, M. R., & Savage, E. A. (1993). Essentials of genetics. Macmillan.

Chicago Style (17th ed.) Citation

Klug, William S., Michael R. Cummings, and Elizabeth Arnot Savage. Essentials of Genetics. New York: Macmillan, 1993.

MLA (9th ed.) Citation

Klug, William S., et al. Essentials of Genetics. Macmillan, 1993.