APA (7th ed.) Citation

Ungerer, T. (2000). Die blaue Wolke. Diogenes.

Chicago Style (17th ed.) Citation

Ungerer, Tomi. Die Blaue Wolke. Zürich: Diogenes, 2000.

MLA (9th ed.) Citation

Ungerer, Tomi. Die Blaue Wolke. Diogenes, 2000.

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