Cita APA (7th ed.)
Johns, C. (2014). National geographic: Wild pets, the debate over owning exotic animals. National Geographic.
Cita Chicago (17th ed.)
Johns, Chris. National Geographic: Wild Pets, the Debate over Owning Exotic Animals. Washington: National Geographic, 2014.
Cita MLA (9th ed.)
Johns, Chris. National Geographic: Wild Pets, the Debate over Owning Exotic Animals. National Geographic, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.