Cita APA (7a ed.)

Bent,Cleveland Arthur. (1912). Notes on birds observed during a brief visit to the Aleutian islands and Bering sea in 1911. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Bent,Cleveland Arthur. Notes on Birds Observed During a Brief Visit to the Aleutian Islands and Bering Sea in 1911. Washington-USA: Smithsonian Institution, 1912.

Cita MLA (8a ed.)

Bent,Cleveland Arthur. Notes on Birds Observed During a Brief Visit to the Aleutian Islands and Bering Sea in 1911. Smithsonian Institution, 1912.