APA (7th ed.) Citation

Treichler, M., McKeen, T., Schad, W., Debus, M., Treichler, M., & Debus, M. (1989). Aids. Urachhaus.

Chicago Style (17th ed.) Citation

Treichler, Markus, Thomas McKeen, Wolfgang Schad, Michael Debus, Markus Treichler, and Michael Debus. Aids. Stuttgart: Urachhaus, 1989.

MLA (8th ed.) Citation

Treichler, Markus, et al. Aids. Urachhaus, 1989.