APA (7th ed.) Zitazioa

Allard, R. W. (1960). Principles of plant breeding. John Wiley & Sons.

Chicago Style (17th ed.) Zitazioa

Allard, R. W. Principles of Plant Breeding. New York / London: John Wiley & Sons, 1960.

MLA (9th ed.) Zitazioa

Allard, R. W. Principles of Plant Breeding. John Wiley & Sons, 1960.