Cita APA (7th ed.)

Wasmer, M., Scholz, E., & Blohm, M. (2010). GESIS-Technical Reports. GESIS.

Cita Chicago (17th ed.)

Wasmer, Martina, Evi Scholz, i Michael Blohm. GESIS-Technical Reports. Mannheim: GESIS, 2010.

Cita MLA (8th ed.)

Wasmer, Martina, et al. GESIS-Technical Reports. GESIS, 2010.