APA (7th ed.) Citation

Ungerer, T., & Schmölders, C. (1972). Der Hut. Diogenes.

Chicago Style (17th ed.) Citation

Ungerer, Tomi, and Claudia Schmölders. Der Hut. Zürich: Diogenes, 1972.

MLA (9th ed.) Citation

Ungerer, Tomi, and Claudia Schmölders. Der Hut. Diogenes, 1972.

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