APA (7th ed.) Citation

Allen, R. P. (1942). The roseate spoonbill. National Audubon Society.

Chicago Style (17th ed.) Citation

Allen, Robert Porter. The Roseate Spoonbill. New York, N.Y.: National Audubon Society, 1942.

MLA (9th ed.) Citation

Allen, Robert Porter. The Roseate Spoonbill. National Audubon Society, 1942.