APA (7th ed.) Citation

Rheinberg, D., & Geschichtswerkstatt Köln-Kalk. (2013). Jupp Elze: Das Herz eines Boxers. Kalker Köpfe.

Chicago Style (17th ed.) Citation

Rheinberg, Dieter, and Geschichtswerkstatt Köln-Kalk. "Jupp Elze: Das Herz Eines Boxers." Kalker Köpfe 2013.

MLA (8th ed.) Citation

Rheinberg, Dieter, and Geschichtswerkstatt Köln-Kalk. "Jupp Elze: Das Herz Eines Boxers." Kalker Köpfe, 2013.

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