APA (7th ed.) Citation

(1999). Great images of the 20th century: The photographs that define our times. Time Books.

Chicago Style (17th ed.) Citation

Great Images of the 20th Century: The Photographs That Define Our Times. New York: Time Books, 1999.

MLA (9th ed.) Citation

Great Images of the 20th Century: The Photographs That Define Our Times. Time Books, 1999.