APA (7th ed.) Citation

Petri, J. L. (1988). Apple culture in the tropics and subtropics. ISHS.

Chicago Style (17th ed.) Citation

Petri, José Luis. Apple Culture in the Tropics and Subtropics. Wageningen: ISHS, 1988.

MLA (9th ed.) Citation

Petri, José Luis. Apple Culture in the Tropics and Subtropics. ISHS, 1988.