APA Citatie

Hart, G. J., Sonnex, C., Petherick, A., Johnson, A. M., Feinmann, C., & Adler, M. W. (1989). Risk behaviours for HIV infection among injecting drug users attending a drug dependency clinic.

Chicago Style citaat

Hart, G. J., C. Sonnex, A. Petherick, A. M. Johnson, C. Feinmann, en M. W. Adler. Risk Behaviours for HIV Infection Among Injecting Drug Users Attending a Drug Dependency Clinic. 1989.

MLA citatie

Hart, G. J., et al. Risk Behaviours for HIV Infection Among Injecting Drug Users Attending a Drug Dependency Clinic. 1989.