APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Allard, R. W. Principles of Plant Breeding. 2nd ed. New York: John Wiley, 1999.

MLA (9th ed.) Citation

Allard, R. W. Principles of Plant Breeding. 2nd ed. John Wiley, 1999.