APA (7th ed.) Citation

Gregg, B. R., & Billups, G. L. (2009). Seed conditioning. Science Publishers.

Chicago Style (17th ed.) Citation

Gregg, B. R., and Gary L. Billups. Seed Conditioning. Enfield, N.H.: Science Publishers, 2009.

MLA (8th ed.) Citation

Gregg, B. R., and Gary L. Billups. Seed Conditioning. Science Publishers, 2009.