APA (7th ed.) Citation

Loimer, N., Schmid, R., & Springer, A. (1991). Drug Addiction and AIDS. Springer Vienna.

Chicago Style (17th ed.) Citation

Loimer, N., Rainer Schmid, and Alfred Springer. Drug Addiction and AIDS. Vienna: Springer Vienna, 1991.

MLA (9th ed.) Citation

Loimer, N., et al. Drug Addiction and AIDS. Springer Vienna, 1991.