Cita APA (7a ed.)

Skerry, B. (2010). Face to face with manatees. National Geographic.

Cita Chicago Style (17a ed.)

Skerry, Brian. Face to Face with Manatees. Washington, D.C.: National Geographic, 2010.

Cita MLA (8a ed.)

Skerry, Brian. Face to Face with Manatees. National Geographic, 2010.

Precaución: Estas citas no son 100% exactas.