APA (7th ed.) Citation

Kuhn, A. (1991). Otto Piene. Künstler.

Chicago Style (17th ed.) Citation

Kuhn, Anette. "Otto Piene." Künstler 1991.

MLA (8th ed.) Citation

Kuhn, Anette. "Otto Piene." Künstler, 1991.

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