APA (7th ed.) Citation

Howell, S. N. G., & Zufelt, K. (2019). Oceanic birds of the world: A photo guide. Princeton University Press.

Chicago Style (17th ed.) Citation

Howell, Steve N. G., and Kirk Zufelt. Oceanic Birds of the World: A Photo Guide. Princeton, NJ: Princeton University Press, 2019.

MLA (9th ed.) Citation

Howell, Steve N. G., and Kirk Zufelt. Oceanic Birds of the World: A Photo Guide. Princeton University Press, 2019.