APA (7th ed.) Citation

Zimmerman, D. A., Turner, D. A., & Pearson, D. J. (1999). Birds of Kenya and northern Tanzania (Field guide ed.). Princeton University Press.

Chicago Style (17th ed.) Citation

Zimmerman, Dale A., Donald A. Turner, and David J. Pearson. Birds of Kenya and Northern Tanzania. Field guide ed. Princeton, N.J.: Princeton University Press, 1999.

MLA (9th ed.) Citation

Zimmerman, Dale A., et al. Birds of Kenya and Northern Tanzania. Field guide ed. Princeton University Press, 1999.