Cita APA (7th ed.)

Bertschi, H. (1994). Die Kondom Story. VGS.

Cita Chicago (17th ed.)

Bertschi, Hannes. Die Kondom Story. Köln: VGS, 1994.

Cita MLA (8th ed.)

Bertschi, Hannes. Die Kondom Story. VGS, 1994.