APA (7th ed.) Citation

Sauer, W., & Kootz, W. (1981). Heidelberg. König.

Chicago Style (17th ed.) Citation

Sauer, W., and W. Kootz. Heidelberg. Heidelberg: König, 1981.

MLA (9th ed.) Citation

Sauer, W., and W. Kootz. Heidelberg. König, 1981.

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