APA (7th ed.) Citation

Halpern, J. H., & Blistein, D. (2019). Opium: How an ancient flower shaped and poisoned our world (First edition.). Hachette Books.

Chicago Style (17th ed.) Citation

Halpern, John H., and David Blistein. Opium: How an Ancient Flower Shaped and Poisoned Our World. First edition. New York ; Boston: Hachette Books, 2019.

MLA (9th ed.) Citation

Halpern, John H., and David Blistein. Opium: How an Ancient Flower Shaped and Poisoned Our World. First edition. Hachette Books, 2019.