Cita APA

Gehlen, A. F. (1804). On the Present State of Our Knowledge of Opium. Med Phys J.

Chicago Style Citation

Gehlen, A. F. "On the Present State of Our Knowledge of Opium." Med Phys J 1804.

Cita MLA

Gehlen, A. F. "On the Present State of Our Knowledge of Opium." Med Phys J 1804.