APA (7th ed.) Citation

Haftmann, W., & Klee, P. (1967). The mind and work of Paul Klee. Faber.

Chicago Style (17th ed.) Citation

Haftmann, Werner, and Paul Klee. The Mind and Work of Paul Klee. London: Faber, 1967.

MLA (9th ed.) Citation

Haftmann, Werner, and Paul Klee. The Mind and Work of Paul Klee. Faber, 1967.

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