APA (7th ed.) Citation

Biewald, H. (1977). Der froschgrüne Roller. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Biewald, Hartmut. Der Froschgrüne Roller. Berlin: Kinderbuchverlag, 1977.

MLA (8th ed.) Citation

Biewald, Hartmut. Der Froschgrüne Roller. Kinderbuchverlag, 1977.

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