APA (7th ed.) Citation

Cohn-Wiener, E. (1920). Willy Jaeckel.

Chicago Style (17th ed.) Citation

Cohn-Wiener, Ernst. Willy Jaeckel. Leipzig, 1920.

MLA (8th ed.) Citation

Cohn-Wiener, Ernst. Willy Jaeckel. 1920.

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