Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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