APA (7th ed.) Citation

Boo, C. M., Omar-Hor, K., & Ou-Yang, C. L. (2006). 1001 garden plants in Singapore (2nd ed.). National Parks.

Chicago Style (17th ed.) Citation

Boo, Chih Min, Kartini Omar-Hor, and Chow Lin Ou-Yang. 1001 Garden Plants in Singapore. 2nd ed. [Singapore]: National Parks, 2006.

MLA (9th ed.) Citation

Boo, Chih Min, et al. 1001 Garden Plants in Singapore. 2nd ed. National Parks, 2006.