APA (7th ed.) Citation

Valentin, K., & Karlstadt, L. (1970). Karl Valentin - Liesl Karlstadt. Ariola-Athena.

Chicago Style (17th ed.) Citation

Valentin, Karl, and Liesl Karlstadt. Karl Valentin - Liesl Karlstadt. Gütersloh: Ariola-Athena, 1970.

MLA (9th ed.) Citation

Valentin, Karl, and Liesl Karlstadt. Karl Valentin - Liesl Karlstadt. Ariola-Athena, 1970.

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