APA (7th ed.) Citation

Geroulanos, S., Hell, K., Pecub, & Allgower, M. (1989). Antimicrobial prophylaxis in surgery. Roche.

Chicago Style (17th ed.) Citation

Geroulanos, Stephanos, Kondrad Hell, Pecub, and Martin Allgower. Antimicrobial Prophylaxis in Surgery. Basle: Roche, 1989.

MLA (8th ed.) Citation

Geroulanos, Stephanos, et al. Antimicrobial Prophylaxis in Surgery. Roche, 1989.