APA (7th ed.) Citation

Axen, S., & Lindemann, W. (1974). Bummi / Bummi-Kalender. Verl. Junge Welt.

Chicago Style (17th ed.) Citation

Axen, Sonja, and Werner Lindemann. Bummi / Bummi-Kalender. Berlin: Verl. Junge Welt, 1974.

MLA (8th ed.) Citation

Axen, Sonja, and Werner Lindemann. Bummi / Bummi-Kalender. Verl. Junge Welt, 1974.

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