APA (7th ed.) Citation

Smithsonian Institution. (1938). Cambaloid millipeds of United States, including family new to fauna and new genera and species. [s.n.].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Cambaloid Millipeds of United States, Including Family New to Fauna and New Genera and Species. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

Smithsonian Institution. Cambaloid Millipeds of United States, Including Family New to Fauna and New Genera and Species. [s.n.], 1938.

Warning: These citations may not always be 100% accurate.