Cita APA (7a ed.)

Willan, R. L. (1985). A guide to forest seed handling: With special reference to the Tropics. FAO.

Cita Chicago Style (17a ed.)

Willan, R. L. A Guide to Forest Seed Handling: With Special Reference to the Tropics. Rome: FAO, 1985.

Cita MLA (9a ed.)

Willan, R. L. A Guide to Forest Seed Handling: With Special Reference to the Tropics. FAO, 1985.