APA (7th ed.) Citation

Smithsonian Institution. (1923). North American later Tertiary and Quaternary Bryozoa. GPO.

Chicago Style (17th ed.) Citation

Smithsonian Institution. North American Later Tertiary and Quaternary Bryozoa. [Washington]: GPO, 1923.

MLA (9th ed.) Citation

Smithsonian Institution. North American Later Tertiary and Quaternary Bryozoa. GPO, 1923.

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