Ehlers, S. M., & Schaeffer, P. P. (1979). Owls of the west: Their ecology and conservation. California: National Audubon Society.
Chicago Style CitationEhlers, Sharyn Marie,, and Philip P. Schaeffer. Owls of the West: Their Ecology and Conservation. California: National Audubon Society, 1979.
MLA CitationEhlers, Sharyn Marie,, and Philip P. Schaeffer. Owls of the West: Their Ecology and Conservation. California: National Audubon Society, 1979.
Warning: These citations may not always be 100% accurate.