APA (7th ed.) Citation

Helfenstein, J. (2003). Paul Klee. Benteli.

Chicago Style (17th ed.) Citation

Helfenstein, Josef. Paul Klee. Bern: Benteli, 2003.

MLA (8th ed.) Citation

Helfenstein, Josef. Paul Klee. Benteli, 2003.

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