APA (7th ed.) Citation

Engel, D. H. (2004). A field guide to tropical plants of Asia. Times Editions.

Chicago Style (17th ed.) Citation

Engel, David H. A Field Guide to Tropical Plants of Asia. Singapore: Times Editions, 2004.

MLA (9th ed.) Citation

Engel, David H. A Field Guide to Tropical Plants of Asia. Times Editions, 2004.