APA (7th ed.) Citation

Bayer, K. (1993). Zur Sache. Informedia.

Chicago Style (17th ed.) Citation

Bayer, Karl. Zur Sache. Köln: Informedia, 1993.

MLA (9th ed.) Citation

Bayer, Karl. Zur Sache. Informedia, 1993.

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