Cita APA (7a ed.)

Humphreys, A. (2009). National Geographic traveler: Egypt (Third edition.). National Geographic Society.

Cita Chicago Style (17a ed.)

Humphreys, Andrew. National Geographic Traveler: Egypt. Third edition. Washington, D.C: National Geographic Society, 2009.

Cita MLA (9a ed.)

Humphreys, Andrew. National Geographic Traveler: Egypt. Third edition. National Geographic Society, 2009.