Παραπομπή σε μορφή APA (7η εκδ.)

Scarborough, J. The opium poppy in Hellenistic and Roman medicine: John Scarborough. Drugs and narcotics in history.(1996).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Scarborough, John. "The Opium Poppy in Hellenistic and Roman Medicine: John Scarborough." Drugs and Narcotics in History.(1996) .

Παραπομπή σε μορφή MLA (8th εκδ.)

Scarborough, John. "The Opium Poppy in Hellenistic and Roman Medicine: John Scarborough." Drugs and Narcotics in History.(1996), .