APA (7th ed.) Citation

Welker, R. H. (1955). Birds and men: American birds in science, art, literature, and conservation, 1800 - 1900. Belknap Press.

Chicago Style (17th ed.) Citation

Welker, Robert Henry. Birds and Men: American Birds in Science, Art, Literature, and Conservation, 1800 - 1900. Cambridge: Belknap Press, 1955.

MLA (9th ed.) Citation

Welker, Robert Henry. Birds and Men: American Birds in Science, Art, Literature, and Conservation, 1800 - 1900. Belknap Press, 1955.