APA (7th ed.) Citation

Wildlife Conservation Society of the Philippines, World Conservation Monitoring Centre, & Friends of the Zoos. (1997). Philippine red data book. Bookmark.

Chicago Style (17th ed.) Citation

Wildlife Conservation Society of the Philippines, World Conservation Monitoring Centre, and Friends of the Zoos. Philippine Red Data Book. Makati City, Philippines: Bookmark, 1997.

MLA (9th ed.) Citation

Wildlife Conservation Society of the Philippines, et al. Philippine Red Data Book. Bookmark, 1997.