Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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