APA (7th ed.) Citation

Mertz, D., Viktorin, N., Wolbers, M., Flückiger, U., & Battegay, M. (2009). Impact of HIV status on outcome of infectious complications in intravenous drug users.

Chicago Style (17th ed.) Citation

Mertz, D., N. Viktorin, M. Wolbers, U. Flückiger, and M. Battegay. Impact of HIV Status on Outcome of Infectious Complications in Intravenous Drug Users. 2009.

MLA (9th ed.) Citation

Mertz, D., et al. Impact of HIV Status on Outcome of Infectious Complications in Intravenous Drug Users. 2009.