Cita APA

National Geographic Society, Washington, D.C, Sky Visuals Pty. Ltd, Le Brun, N., Scott, P., & Steer, G. (1988). Australia's improbable animals. National Geographic Society.

Citación estilo Chicago

National Geographic Society, Washington, D.C, Sky Visuals Pty. Ltd, Nancy Le Brun, Paul Scott, and Gary Steer. Australia's Improbable Animals. [Washington, D.C.]: National Geographic Society, 1988.

Cita MLA

National Geographic Society, Washington, D.C, et al. Australia's Improbable Animals. National Geographic Society, 1988.