Citazione Stile APA (7a Edizione)

Howard, J., & Belinsky, Y. (2007). National Geographic traveler. National Geographic Society.

Citazione stile Chigago Style (17a edizione)

Howard, Jeremy, e Yuri Belinsky. National Geographic Traveler. Washington, D.C: National Geographic Society, 2007.

Citatione MLA (9a ed.)

Howard, Jeremy, e Yuri Belinsky. National Geographic Traveler. National Geographic Society, 2007.