APA (7th ed.) Citation

Heilmaier, H. (1956). Die Bildwelt Paul Klees.

Chicago Style (17th ed.) Citation

Heilmaier, Hans. Die Bildwelt Paul Klees. 1956.

MLA (9th ed.) Citation

Heilmaier, Hans. Die Bildwelt Paul Klees. 1956.

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