APA (7th ed.) Citation

Heimann, S. (2016). Jochen Steffen - maverick thinker of SPD.

Chicago Style (17th ed.) Citation

Heimann, Siegfried. Jochen Steffen - Maverick Thinker of SPD. 2016.

MLA (9th ed.) Citation

Heimann, Siegfried. Jochen Steffen - Maverick Thinker of SPD. 2016.

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