APA (7th ed.) Citation

Smithsonian Institution. (1921). Summary of marine shellbearing mollusks of northwest coast of America, from San Diego, Calif., to Polar Sea, mostly contained in collection of U.S. National Museum, with illustrations of hitherto unfigured species. GPO.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Summary of Marine Shellbearing Mollusks of Northwest Coast of America, from San Diego, Calif., to Polar Sea, Mostly Contained in Collection of U.S. National Museum, with Illustrations of Hitherto Unfigured Species. [Washington]: GPO, 1921.

MLA (9th ed.) Citation

Smithsonian Institution. Summary of Marine Shellbearing Mollusks of Northwest Coast of America, from San Diego, Calif., to Polar Sea, Mostly Contained in Collection of U.S. National Museum, with Illustrations of Hitherto Unfigured Species. GPO, 1921.