APA citiranje

Somerville, C. (2007). National Geographic Traveler (2nd ed.). National Geographic Society.

Chicago Style (17th ed.) Citation

Somerville, Christopher. National Geographic Traveler. 2nd ed. Washington, D.C: National Geographic Society, 2007.

MLA citiranje

Somerville, Christopher. National Geographic Traveler. 2nd ed. National Geographic Society, 2007.