Cita APA (7a ed.)

Schmitt-Beck, R. (2009). The German longitudinal election study (GLES).

Cita Chicago Style (17a ed.)

Schmitt-Beck, Rüdiger. The German Longitudinal Election Study (GLES). Mannheim, 2009.

Cita MLA (8a ed.)

Schmitt-Beck, Rüdiger. The German Longitudinal Election Study (GLES). 2009.