APA (7th ed.) Citation

Friedel, H., & Kort, P. (2003). Paul Klee 1933. König.

Chicago Style (17th ed.) Citation

Friedel, Helmut, and Pamela Kort. Paul Klee 1933. Köln: König, 2003.

MLA (8th ed.) Citation

Friedel, Helmut, and Pamela Kort. Paul Klee 1933. König, 2003.

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