APA (7th ed.) Citation

Hees, D., & Sackenheim, R. (1975). Daniel Hees: Freie Grafik. Werkstattberichte.

Chicago Style (17th ed.) Citation

Hees, Daniel, and Rolf Sackenheim. "Daniel Hees: Freie Grafik." Werkstattberichte 1975.

MLA (9th ed.) Citation

Hees, Daniel, and Rolf Sackenheim. "Daniel Hees: Freie Grafik." Werkstattberichte, 1975.

Warning: These citations may not always be 100% accurate.