Cita APA (7th ed.)

Holttum, R., & Enoch, I. (1991). Gardening in the tropics. Timber Press.

Cita Chicago (17th ed.)

Holttum, R.E, i Ivan Enoch. Gardening in the Tropics. Portland, Oregon: Timber Press, 1991.

Cita MLA (9th ed.)

Holttum, R.E, i Ivan Enoch. Gardening in the Tropics. Timber Press, 1991.