APA (7th ed.) Citation

Heidelberg, K. (1990). "Zeit" im Kalender.

Chicago Style (17th ed.) Citation

Heidelberg, Karen. "Zeit" Im Kalender. Berlin, 1990.

MLA (9th ed.) Citation

Heidelberg, Karen. "Zeit" Im Kalender. 1990.

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