APA (7th ed.) Citation

Collar, N. J., Mallari, N. A. D., Tabaranza, B. R. J., & Crosby, M. J. (1999). Threatened birds of the Philippines: The Haribon Foundation/Bird Life International Red Data Book. Bookmark, Inc.

Chicago Style (17th ed.) Citation

Collar, Nigel J., Neil Aldrin D. Mallari, Blas R. Jr Tabaranza, and Mike J. Crosby. Threatened Birds of the Philippines: The Haribon Foundation/Bird Life International Red Data Book. Makati City: Bookmark, Inc, 1999.

MLA (9th ed.) Citation

Collar, Nigel J., et al. Threatened Birds of the Philippines: The Haribon Foundation/Bird Life International Red Data Book. Bookmark, Inc, 1999.