Citazione Stile APA (7a Edizione)

Lüttinger, P., & Wolf, C. (2011). GESIS-Technical Reports. GESIS.

Citazione stile Chigago Style (17a edizione)

Lüttinger, Paul, e Christof Wolf. GESIS-Technical Reports. Mannheim: GESIS, 2011.

Citatione MLA (8a ed.)

Lüttinger, Paul, e Christof Wolf. GESIS-Technical Reports. GESIS, 2011.