APA (7th ed.) Citation

Hershler, R. (2001). Systematics of the North and Central American aquatic snail genus Tryonia (Rissooidea: Hydrobiidae). Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Hershler, Robert. Systematics of the North and Central American Aquatic Snail Genus Tryonia (Rissooidea: Hydrobiidae). Washington, D.C.: Smithsonian Institution Press, 2001.

MLA (9th ed.) Citation

Hershler, Robert. Systematics of the North and Central American Aquatic Snail Genus Tryonia (Rissooidea: Hydrobiidae). Smithsonian Institution Press, 2001.