APA (7th ed.) Citation

Smithsonian Institution. Office of the Secretary & Bent, A. C. (1912). New subspecies of crossbill from Newfoundland. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Office of the Secretary and Arthur Cleveland Bent. New Subspecies of Crossbill from Newfoundland. Washington, D.C.: [publisher not identified], 1912.

MLA (9th ed.) Citation

Smithsonian Institution. Office of the Secretary and Arthur Cleveland Bent. New Subspecies of Crossbill from Newfoundland. [publisher not identified], 1912.