APA (7th ed.) Citation

Wild, W. (2014). Retronaut: The photographic time machine. National Geographic.

Chicago Style (17th ed.) Citation

Wild, Wolfgang. Retronaut: The Photographic Time Machine. Washington, D.C.: National Geographic, 2014.

MLA (8th ed.) Citation

Wild, Wolfgang. Retronaut: The Photographic Time Machine. National Geographic, 2014.

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