Cita APA (7th ed.)

Gritzmann, B., & Wieckhorst, K. [. (1985). Keramik (o.A.).

Cita Chicago (17th ed.)

Gritzmann, Bärbel, i Karin [Fototeam] Wieckhorst. Keramik. o.A. Halle (Saale), 1985.

Cita MLA (8th ed.)

Gritzmann, Bärbel, i Karin [Fototeam] Wieckhorst. Keramik. o.A. 1985.