APA (7th ed.) Citation

Smithsonian Institution. (1915). American hydroids, Part III: Campanularidae and Bonneviellidae. GPO.

Chicago Style (17th ed.) Citation

Smithsonian Institution. American Hydroids, Part III: Campanularidae and Bonneviellidae. [Washington]: GPO, 1915.

MLA (9th ed.) Citation

Smithsonian Institution. American Hydroids, Part III: Campanularidae and Bonneviellidae. GPO, 1915.

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