APA (7th ed.) Citation

Naumann, H., & Koenen, W. B. (1973). Wilhelm Koenen.

Chicago Style (17th ed.) Citation

Naumann, Horst, and Wilhelm BeteiligteR Koenen. Wilhelm Koenen. Halle, 1973.

MLA (8th ed.) Citation

Naumann, Horst, and Wilhelm BeteiligteR Koenen. Wilhelm Koenen. 1973.

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