Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Blumenberg, Manuela S., y Tobias Gummer. GESIS-Technical Reports. Mannheim: GESIS, 2013.

Cita MLA (8a ed.)

Blumenberg, Manuela S., y Tobias Gummer. GESIS-Technical Reports. GESIS, 2013.