APA (7th ed.) Citation

Smithsonian Institution. (1941). New shipworm from Panama. [s.n.].

Chicago Style (17th ed.) Citation

Smithsonian Institution. New Shipworm from Panama. [Washington]: [s.n.], 1941.

MLA (9th ed.) Citation

Smithsonian Institution. New Shipworm from Panama. [s.n.], 1941.

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