Cita APA (7a ed.)

Arnosky, J. (1997). Watching water birds. National Geographic Society ; Distributed by Publishers Group West.

Cita Chicago Style (17a ed.)

Arnosky, Jim. Watching Water Birds. Washington, DC : [Emeryville, CA]: National Geographic Society ; Distributed by Publishers Group West, 1997.

Cita MLA (8a ed.)

Arnosky, Jim. Watching Water Birds. National Geographic Society ; Distributed by Publishers Group West, 1997.

Precaución: Estas citas no son 100% exactas.