The focal encyclopedia of photography

MLA

Stroebel, Leslie, and Richard Zakia. The Focal Encyclopedia of Photography. Third edition Boston: Focal Press, 1993.

APA

Stroebel, L., & Zakia, R. (1993). The focal encyclopedia of photography. Third edition Boston: Focal Press.

Chicago

Stroebel, Leslie, and Richard Zakia. The Focal Encyclopedia of Photography. Third edition Boston: Focal Press, 1993.