Franklin

MLA

Klee, Paul, and Felix Klee. Paul Klee: Graphik. [Bern]: [Klipstein & Kornfeld], 1956.

APA

Klee, P., & Klee, F. (1956). Paul Klee: graphik. [Bern]: [Klipstein & Kornfeld].

Chicago

Klee, Paul, and Felix Klee. Paul Klee: Graphik. [Bern]: [Klipstein & Kornfeld], 1956.