APA način citiranja (7. izdanje)

Dunlop, F., & Soriano, T. (2013). National Geographic traveler: Portugal (Second edition.). National Geographic Society.

Čikaški stil citiranja (17. izdanje)

Dunlop, Fiona, i Tino Soriano. National Geographic Traveler: Portugal. Second edition. Washington, D.C: National Geographic Society, 2013.

MLA način citiranja (9. izdanje)

Dunlop, Fiona, i Tino Soriano. National Geographic Traveler: Portugal. Second edition. National Geographic Society, 2013.