Cita APA (7a ed.)

Williams, W. (1964). Genetical principles and plant breeding. Blakwell Scientific.

Cita Chicago Style (17a ed.)

Williams, Watkin. Genetical Principles and Plant Breeding. Oxford: Blakwell Scientific, 1964.

Cita MLA (9a ed.)

Williams, Watkin. Genetical Principles and Plant Breeding. Blakwell Scientific, 1964.