APA (7th ed.) Citation

Smithsonian Institution. (1935). New Paleocene mammals from Fort Union of Montana. [s.n.].

Chicago Style (17th ed.) Citation

Smithsonian Institution. New Paleocene Mammals from Fort Union of Montana. [Washington]: [s.n.], 1935.

MLA (9th ed.) Citation

Smithsonian Institution. New Paleocene Mammals from Fort Union of Montana. [s.n.], 1935.