Graphis poster '93; the international annual of poster art.

MLA

Herdeg, W, and B.M Pedersen. Graphis Poster '93; the International Annual of Poster Art. Zürich: Graphis press, 1993.

APA

Herdeg, W., & Pedersen, B. (1993). Graphis poster '93; the international annual of poster art. Zürich: Graphis press.

Chicago

Herdeg, W., and B.M Pedersen. Graphis Poster '93; the International Annual of Poster Art. Zürich: Graphis press, 1993.