APA (7th ed.) Citation

Baumgartner, F. M. (1936). New Birds for Churchill, Manitoba. The Auk, 53(2), 224.

Chicago Style (17th ed.) Citation

Baumgartner, Frederick M. "New Birds for Churchill, Manitoba." The Auk 53, no. 2 (1936): 224.

MLA (9th ed.) Citation

Baumgartner, Frederick M. "New Birds for Churchill, Manitoba." The Auk, vol. 53, no. 2, 1936, p. 224.