Cita APA (7th ed.)

Jäger, D., & Schimpl-Neimanns, B. (2012). GESIS-Technical Reports. GESIS.

Cita Chicago (17th ed.)

Jäger, Delia, i Bernhard Schimpl-Neimanns. GESIS-Technical Reports. Mannheim: GESIS, 2012.

Cita MLA (8th ed.)

Jäger, Delia, i Bernhard Schimpl-Neimanns. GESIS-Technical Reports. GESIS, 2012.