APA (7th ed.) Citation

Husin, M. Z., Puan, C. L., & Yeap, C. A. (2008). A photographic guide to birds of Ayer Hitam Forest Reserve. Universiti Putra Malaysia Press.

Chicago Style (17th ed.) Citation

Husin, Mohamed Zakaria, Chong Leong Puan, and Chin Aik Yeap. A Photographic Guide to Birds of Ayer Hitam Forest Reserve. Universiti Putra Malaysia Press, 2008.

MLA (9th ed.) Citation

Husin, Mohamed Zakaria, et al. A Photographic Guide to Birds of Ayer Hitam Forest Reserve. Universiti Putra Malaysia Press, 2008.