APA (7th ed.) Citation

Denaro, D., & Helfenstein, J. (1999). Paul Klee. Benteli.

Chicago Style (17th ed.) Citation

Denaro, Dolores, and Josef Helfenstein. Paul Klee. Bern: Benteli, 1999.

MLA (8th ed.) Citation

Denaro, Dolores, and Josef Helfenstein. Paul Klee. Benteli, 1999.

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