Cita APA

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

Citación estilo Chicago

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

Cita MLA

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