APA (7th ed.) Citation

Heimann, S. (2015). Jochen Steffen - Querdenker der SPD.

Chicago Style (17th ed.) Citation

Heimann, Siegfried. Jochen Steffen - Querdenker Der SPD. 2015.

MLA (9th ed.) Citation

Heimann, Siegfried. Jochen Steffen - Querdenker Der SPD. 2015.

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