Cita APA (7th ed.)

Janhsen, K., Strube, H., & Starker, A. (2009). Hypertonie.

Cita Chicago (17th ed.)

Janhsen, Katrin, Helga Strube, i Anne Starker. Hypertonie. Berlin, 2009.

Cita MLA (8th ed.)

Janhsen, Katrin, et al. Hypertonie. 2009.