Cita APA (7th ed.)

National Geographic Society (Spojené státy americké). National Geographic Maps & Carroll, A. (2003). 100 years of flight. National Geographic Society.

Cita Chicago (17th ed.)

National Geographic Society (Spojené státy americké). National Geographic Maps i Allen Carroll. 100 Years of Flight. Washington: National Geographic Society, 2003.

Cita MLA (9th ed.)

National Geographic Society (Spojené státy americké). National Geographic Maps i Allen Carroll. 100 Years of Flight. National Geographic Society, 2003.