APA (7th ed.) Citation

Barwick, M., & Van der Schans, A. (2004). Tropical & subtropical trees: An encyclopedia. Timber Press.

Chicago Style (17th ed.) Citation

Barwick, Margaret, and Anton Van der Schans. Tropical & Subtropical Trees: An Encyclopedia. Portland, Or.: Timber Press, 2004.

MLA (9th ed.) Citation

Barwick, Margaret, and Anton Van der Schans. Tropical & Subtropical Trees: An Encyclopedia. Timber Press, 2004.