APA (7th ed.) Citation

Mayfield, H. (1952). Captive Whooper Swans, Cygnus cygnus, Kill Other Waterfowl. The Auk, 69(4), 461.

Chicago Style (17th ed.) Citation

Mayfield, Harold. "Captive Whooper Swans, Cygnus Cygnus, Kill Other Waterfowl." The Auk 69, no. 4 (1952): 461.

MLA (9th ed.) Citation

Mayfield, Harold. "Captive Whooper Swans, Cygnus Cygnus, Kill Other Waterfowl." The Auk, vol. 69, no. 4, 1952, p. 461.