Cita APA (7th ed.)

Lebbin, D. J., Parr, M., & Fenwick, G. H. (2010). The American Bird Conservancy guide to bird conservation. University of Chicago Press.

Cita Chicago (17th ed.)

Lebbin, Daniel J., Mike Parr, i George H. Fenwick. The American Bird Conservancy Guide to Bird Conservation. Chicago: University of Chicago Press, 2010.

Cita MLA (9th ed.)

Lebbin, Daniel J., et al. The American Bird Conservancy Guide to Bird Conservation. University of Chicago Press, 2010.