APA (7th ed.) Citation

Becker, H., & Mullan, B. (2015). Everything space. National Geographic Society.

Chicago Style (17th ed.) Citation

Becker, Helaine, and Brendan Mullan. Everything Space. Washington, D.C.: National Geographic Society, 2015.

MLA (9th ed.) Citation

Becker, Helaine, and Brendan Mullan. Everything Space. National Geographic Society, 2015.