APA način citiranja (7. izdanje)

-. (1989). Nature's wonderlands: National park of the world. National geography society.

Čikaški stil citiranja (17. izdanje)

-. Nature's Wonderlands: National Park of the World. Washington: National geography society, 1989.

MLA način citiranja (9. izdanje)

-. Nature's Wonderlands: National Park of the World. National geography society, 1989.