APA (7th ed.) Citation

Blumenberg, M. S., Roßmann, J., & Gummer, T. (2013). GESIS-Technical Reports. GESIS.

Chicago Style (17th ed.) Citation

Blumenberg, Manuela S., Joss Roßmann, and Tobias Gummer. GESIS-Technical Reports. Mannheim: GESIS, 2013.

MLA (8th ed.) Citation

Blumenberg, Manuela S., et al. GESIS-Technical Reports. GESIS, 2013.