APA (7th ed.) Citation

Smithsonian Institution. (1921). Fossil crinoid genus Dolatocrinus and its allies. GPO.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Fossil Crinoid Genus Dolatocrinus and Its Allies. [Washington]: GPO, 1921.

MLA (9th ed.) Citation

Smithsonian Institution. Fossil Crinoid Genus Dolatocrinus and Its Allies. GPO, 1921.

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