APA (7th ed.) Citation

Bent, A. C. (1898). Black Gyrfalcon (Falco rusticolus obsoletus) in Rhode Island. The Auk, 15(1), 54.

Chicago Style (17th ed.) Citation

Bent, A. C. "Black Gyrfalcon (Falco Rusticolus Obsoletus) in Rhode Island." The Auk 15, no. 1 (1898): 54.

MLA (9th ed.) Citation

Bent, A. C. "Black Gyrfalcon (Falco Rusticolus Obsoletus) in Rhode Island." The Auk, vol. 15, no. 1, 1898, p. 54.