Graphis posters 79; the international annual of poster art.

MLA

Herdeg, W. Graphis Posters 79; the International Annual of Poster Art. Zürich: Graphis press corp., 1979.

APA

Herdeg, W. (1979). Graphis posters 79; the international annual of poster art. Zürich: Graphis press corp.

Chicago

Herdeg, W. Graphis Posters 79; the International Annual of Poster Art. Zürich: Graphis press corp., 1979.