Παραπομπή σε μορφή APA (7η εκδ.)

Maehle, A. Pharmacological experimentation with opium in the eighteenth century: Andreas-Holger Maehle. Drugs and narcotics in history.(1996).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Maehle, Andreas-Holger. "Pharmacological Experimentation with Opium in the Eighteenth Century: Andreas-Holger Maehle." Drugs and Narcotics in History.(1996) .

Παραπομπή σε μορφή MLA (8th εκδ.)

Maehle, Andreas-Holger. "Pharmacological Experimentation with Opium in the Eighteenth Century: Andreas-Holger Maehle." Drugs and Narcotics in History.(1996), .