Graphis photo 92.The international yearbook of photography.
MLA
Herdeg, W, and M Pedersen. Graphis Photo 92.the International Yearbook of Photography. Zurich: Graphis press, 1992.
APA
Herdeg, W., & Pedersen, M. (1992). Graphis photo 92.The international yearbook of photography. Zurich: Graphis press.
Chicago
Herdeg, W., and M Pedersen. Graphis Photo 92.the International Yearbook of Photography. Zurich: Graphis press, 1992.