APA (7th ed.) Citation

Knauer, K. (2012). Time history's greatest images: The world's 100 most influential photographs. Time Books.

Chicago Style (17th ed.) Citation

Knauer, Kelly. Time History's Greatest Images: The World's 100 Most Influential Photographs. New York: Time Books, 2012.

MLA (9th ed.) Citation

Knauer, Kelly. Time History's Greatest Images: The World's 100 Most Influential Photographs. Time Books, 2012.

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