APA (7th ed.) Citation

Brooks, A. (1914). The Races of Branta canadensis: Suggested by Swarth's "Study of a Collection of Geese". The Condor, 16(3), 123.

Chicago Style (17th ed.) Citation

Brooks, Allan. "The Races of Branta Canadensis: Suggested by Swarth's "Study of a Collection of Geese"." The Condor 16, no. 3 (1914): 123.

MLA (9th ed.) Citation

Brooks, Allan. "The Races of Branta Canadensis: Suggested by Swarth's "Study of a Collection of Geese"." The Condor, vol. 16, no. 3, 1914, p. 123.