APA (7th ed.) Citation

Engel, D. H., & Phummai, S. (2004). A field guide to tropical plants of Asia. Time Editions.

Chicago Style (17th ed.) Citation

Engel, David H., and Suchart Phummai. A Field Guide to Tropical Plants of Asia. Singapura: Time Editions, 2004.

MLA (9th ed.) Citation

Engel, David H., and Suchart Phummai. A Field Guide to Tropical Plants of Asia. Time Editions, 2004.