APA (7th ed.) Citation

Smithsonian Institution. Office of the Secretary & Gidley, J. W. (1913). Extinct American eland. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Office of the Secretary and James Williams Gidley. Extinct American Eland. Washington, D.C.: [publisher not identified], 1913.

MLA (9th ed.) Citation

Smithsonian Institution. Office of the Secretary and James Williams Gidley. Extinct American Eland. [publisher not identified], 1913.