APA (7th ed.) Citation

Aguilar, D. A. (2011). 13 planets: The latest view of the solar system. National Geographic.

Chicago Style (17th ed.) Citation

Aguilar, David A. 13 Planets: The Latest View of the Solar System. Washington, D.C.: National Geographic, 2011.

MLA (8th ed.) Citation

Aguilar, David A. 13 Planets: The Latest View of the Solar System. National Geographic, 2011.

Warning: These citations may not always be 100% accurate.