Cita APA (7a ed.)

Immerfall, S., & Wasner, B. (2011). Freizeit. Budrich.

Cita Chicago Style (17a ed.)

Immerfall, Stefan, y Barbara Wasner. Freizeit. Opladen Farmington Hills: Budrich, 2011.

Cita MLA (9a ed.)

Immerfall, Stefan, y Barbara Wasner. Freizeit. Budrich, 2011.