Scarborough, J. The opium poppy in Hellenistic and Roman medicine: John Scarborough. Drugs and narcotics in history.(1996).
Chicago-Zitierstil (17. Ausg.)Scarborough, John. "The Opium Poppy in Hellenistic and Roman Medicine: John Scarborough." Drugs and Narcotics in History.(1996) .
MLA-Zitierstil (8. Ausg.)Scarborough, John. "The Opium Poppy in Hellenistic and Roman Medicine: John Scarborough." Drugs and Narcotics in History.(1996), .
警告：这些引文格式不一定是100％准确.