APA (7th ed.) Citation

Wellm, A. (1977). Karlchen Duckdich. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Wellm, Alfred. Karlchen Duckdich. Berlin: Kinderbuchverlag, 1977.

MLA (8th ed.) Citation

Wellm, Alfred. Karlchen Duckdich. Kinderbuchverlag, 1977.

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