APA (7th ed.) Citation

Wildlife Conservation Society of the Philippines, World Conservation Monitoring Centre, & Friends of the Zoos. (1997). Philippine red data book: Red list of threatened animals. 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: Red List of Threatened Animals. Makati City: Bookmark, 1997.

MLA (9th ed.) Citation

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