APA (7th ed.) Citation

Koetzle, H. Photo icons: The story behind the pictures.

Chicago Style (17th ed.) Citation

Koetzle, Hans-Michael. Photo Icons: The Story Behind the Pictures. Colonia.

MLA (9th ed.) Citation

Koetzle, Hans-Michael. Photo Icons: The Story Behind the Pictures.

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