Haftmann, W., & Klee, P. (1967). The mind and work of Paul Klee. Faber.
Chicago Style (17th ed.) CitationHaftmann, Werner, and Paul Klee. The Mind and Work of Paul Klee. London: Faber, 1967.
MLA (9th ed.) CitationHaftmann, Werner, and Paul Klee. The Mind and Work of Paul Klee. Faber, 1967.
Warning: These citations may not always be 100% accurate.