APA (7th ed.) Citation

Schröpfer, K. (2011). In eigener Sache.

Chicago Style (17th ed.) Citation

Schröpfer, Karlheinz. In Eigener Sache. 2011.

MLA (9th ed.) Citation

Schröpfer, Karlheinz. In Eigener Sache. 2011.

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