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.
Atenció: Aquestes cites poden no estar 100% correctes.