APA (7th ed.) Citation

Keitt, B. S., Tershy, B. R., & Croll, D. A. (2000). Black-vented shearwater: Puffinus opisthomelas. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Keitt, Bradford S., Bernie R. Tershy, and Donald A. Croll. Black-vented Shearwater: Puffinus Opisthomelas. Philadelphia, PA: Birds of North America, Inc., 2000.

MLA (9th ed.) Citation

Keitt, Bradford S., et al. Black-vented Shearwater: Puffinus Opisthomelas. Birds of North America, Inc., 2000.