Wheeler, B. K., & Clark, W. S. (1996). A photographic guide to North American raptors. Londres: Academic.
Chicago Style CitationWheeler, Brian K., and William S. Clark. A Photographic Guide to North American Raptors. Londres: Academic, 1996.
MLA CitationWheeler, Brian K., and William S. Clark. A Photographic Guide to North American Raptors. Londres: Academic, 1996.
Warning: These citations may not always be 100% accurate.