APA (7th ed.) Citation

Stephan, H., Post, H., & Kreis, W. 1. G. (1944). Wilhelm Kreis. Stalling.

Chicago Style (17th ed.) Citation

Stephan, Hans, Herbert Post, and Wilhelm 1873-1955 GefeierteR Kreis. Wilhelm Kreis. Oldenburg: Stalling, 1944.

MLA (8th ed.) Citation

Stephan, Hans, et al. Wilhelm Kreis. Stalling, 1944.