APA (7th ed.) Citation

Salvesen, B., Szarkowski, J., & Rule, A. (2006). Harry Callahan: The photographer at work. Center for Creative Photography.

Chicago Style (17th ed.) Citation

Salvesen, Britt, John Szarkowski, and Amy Rule. Harry Callahan: The Photographer at Work. Tuscon: Center for Creative Photography, 2006.

MLA (9th ed.) Citation

Salvesen, Britt, et al. Harry Callahan: The Photographer at Work. Center for Creative Photography, 2006.