Cita APA

McElroy, T. P. (1974). The habitat guide to birding: A guide to birding east of the rockies. New York: Knopf.

Citación estilo Chicago

McElroy, Thomas P. The Habitat Guide to Birding: A Guide to Birding East of the Rockies. New York: Knopf, 1974.

Cita MLA

McElroy, Thomas P. The Habitat Guide to Birding: A Guide to Birding East of the Rockies. New York: Knopf, 1974.