APA (7th ed.) Citation

Kranzfelder, I. (1993). Robert Indiana. Künstler.

Chicago Style (17th ed.) Citation

Kranzfelder, Ivo. "Robert Indiana." Künstler 1993.

MLA (8th ed.) Citation

Kranzfelder, Ivo. "Robert Indiana." Künstler, 1993.

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