APA (7th ed.) Citation

Synergy (Online service), British HIV Association, & European AIDS Clinical Society. HIV medicine. Blackwell Science.

Chicago Style (17th ed.) Citation

Synergy (Online service), British HIV Association, and European AIDS Clinical Society. HIV Medicine. [Oxford, England]: Blackwell Science.

MLA (9th ed.) Citation

Synergy (Online service), et al. HIV Medicine. Blackwell Science.