APA (7th ed.) Citation

Willett, G. (1918). Bird Notes from Forrester Island, Alaska. The Condor, 20(2), 85.

Chicago Style (17th ed.) Citation

Willett, George. "Bird Notes from Forrester Island, Alaska." The Condor 20, no. 2 (1918): 85.

MLA (9th ed.) Citation

Willett, George. "Bird Notes from Forrester Island, Alaska." The Condor, vol. 20, no. 2, 1918, p. 85.