APA (7th ed.) Citation

Marshak, S. (2012). Earth: Portrait of a planet. W. W. Norton & Company.

Chicago Style (17th ed.) Citation

Marshak, Stephen. Earth: Portrait of a Planet. New York: W. W. Norton & Company, 2012.

MLA (9th ed.) Citation

Marshak, Stephen. Earth: Portrait of a Planet. W. W. Norton & Company, 2012.

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