Cita APA (7th ed.)

Eickhoff, B., Lauter, M., & Behrens, K. (2016). Norbert Thomas: Kein Zufall.

Cita Chicago (17th ed.)

Eickhoff, Beate, Marlene Lauter, i Katja Behrens. Norbert Thomas: Kein Zufall. Wuppertal-Barmen, 2016.

Cita MLA (8th ed.)

Eickhoff, Beate, et al. Norbert Thomas: Kein Zufall. 2016.