Cita APA

Kenk, R. (1989). Revised list of the North American freshwater planarians (Platyhelminthes: Tricladida. Washington, D.C.: Smithsonian Institution Press.

Citación estilo Chicago

Kenk, Román. Revised List of the North American Freshwater Planarians (Platyhelminthes: Tricladida. Washington, D.C.: Smithsonian Institution Press, 1989.

Cita MLA

Kenk, Román. Revised List of the North American Freshwater Planarians (Platyhelminthes: Tricladida. Washington, D.C.: Smithsonian Institution Press, 1989.