APA (7th ed.) Citation

Leu, O., & Steinorth, K. (1988). Der Wandkalender.

Chicago Style (17th ed.) Citation

Leu, Olaf, and Karl Steinorth. Der Wandkalender. 1988.

MLA (9th ed.) Citation

Leu, Olaf, and Karl Steinorth. Der Wandkalender. 1988.

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