APA (7th ed.) Citation

YAPP, N. (2001). Getty images 1900s, decade of the 20th century. Konemann.

Chicago Style (17th ed.) Citation

YAPP, Nick. Getty Images 1900s, Decade of the 20th Century. Konemann, 2001.

MLA (8th ed.) Citation

YAPP, Nick. Getty Images 1900s, Decade of the 20th Century. Konemann, 2001.

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