APA (7th ed.) Citation

Nichols, R., & Sheard, G. (1975). Post-harvest physiology of cut flowers. ISHS.

Chicago Style (17th ed.) Citation

Nichols, R., and G. Sheard. Post-harvest Physiology of Cut Flowers. La Haya: ISHS, 1975.

MLA (9th ed.) Citation

Nichols, R., and G. Sheard. Post-harvest Physiology of Cut Flowers. ISHS, 1975.