Cita APA (7th ed.)

Brüning, A., & Brüning, W. (2018). Schlaumacherbuch: Astrid und Wilfried Brüning. Brüning Film.

Cita Chicago (17th ed.)

Brüning, Astrid, i Wilfried Brüning. Schlaumacherbuch: Astrid Und Wilfried Brüning. [Detmold]: Brüning Film, 2018.

Cita MLA (8th ed.)

Brüning, Astrid, i Wilfried Brüning. Schlaumacherbuch: Astrid Und Wilfried Brüning. Brüning Film, 2018.