APA (7th ed.) Citation

Biskup, D., & Diekmann, K. (2010). Helmut Kohl. Collection Rolf Heyne.

Chicago Style (17th ed.) Citation

Biskup, Daniel, and Kai Diekmann. Helmut Kohl. München: Collection Rolf Heyne, 2010.

MLA (9th ed.) Citation

Biskup, Daniel, and Kai Diekmann. Helmut Kohl. Collection Rolf Heyne, 2010.

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