Cita APA (7a ed.)

Allard, R. W. (1999). Principles of plant breeding (2a. ed.). John Wiley.

Cita Chicago Style (17a ed.)

Allard, Robert W. Principles of Plant Breeding. 2a. ed. Nueva York: John Wiley, 1999.

Cita MLA (9a ed.)

Allard, Robert W. Principles of Plant Breeding. 2a. ed. John Wiley, 1999.