APA način citiranja (7. izdanje)

Heacox, K. (2001). The making of the national parks: An American idea. National Geographic.

Čikaški stil citiranja (17. izdanje)

Heacox, Kim. The Making of the National Parks: An American Idea. Washington, D.C: National Geographic, 2001.

MLA način citiranja (9. izdanje)

Heacox, Kim. The Making of the National Parks: An American Idea. National Geographic, 2001.