Cita APA (7th ed.)

ebrary, Inc, Michalsen, A., Roth, M., Dobos, G., & Aurich, M. (2007). Medicinal leech therapy. Thieme.

Cita Chicago (17th ed.)

ebrary, Inc, Andreas Michalsen, Manfred Roth, Gustav Dobos, i M. Aurich. Medicinal Leech Therapy. Stuttgart ; New York: Thieme, 2007.

Cita MLA (9th ed.)

ebrary, Inc, et al. Medicinal Leech Therapy. Thieme, 2007.