APA (7th ed.) Citation

Hartmann, M., & Petzoldt, D. (1995). Observational analysis of German injecting drug users: Survival with and without methadone maintenance treatment. European journal of medical research, 1, .

Chicago Style (17th ed.) Citation

Hartmann, Martin, and Detlef Petzoldt. "Observational Analysis of German Injecting Drug Users: Survival with and Without Methadone Maintenance Treatment." European Journal of Medical Research 1 (1995).

MLA (9th ed.) Citation

Hartmann, Martin, and Detlef Petzoldt. "Observational Analysis of German Injecting Drug Users: Survival with and Without Methadone Maintenance Treatment." European Journal of Medical Research, vol. 1, 1995.