Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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