APA (7th ed.) Citation

Tibi, S. (2006). The medicinal use of opium in ninth-century Baghdad. Brill.

Chicago Style (17th ed.) Citation

Tibi, Selma. The Medicinal Use of Opium in Ninth-century Baghdad. Leiden [u.a.]: Brill, 2006.

MLA (9th ed.) Citation

Tibi, Selma. The Medicinal Use of Opium in Ninth-century Baghdad. Brill, 2006.

Warning: These citations may not always be 100% accurate.