Cita APA (7th ed.)

Williams, G. C. (1992). Natural selection: Domains, levels and challenges. Oxford University.

Cita Chicago (17th ed.)

Williams, George C. Natural Selection: Domains, Levels and Challenges. Nueva York: Oxford University, 1992.

Cita MLA (9th ed.)

Williams, George C. Natural Selection: Domains, Levels and Challenges. Oxford University, 1992.