APA-Zitierstil (7. Ausg.)

Sumner, J. (2008). The natural history of medicinal plants (Pbk. ed.). Timber Press.

Chicago-Zitierstil (17. Ausg.)

Sumner, Judith. The Natural History of Medicinal Plants. Pbk. ed. Portland, Or. u.a: Timber Press, 2008.

MLA-Zitierstil (9. Ausg.)

Sumner, Judith. The Natural History of Medicinal Plants. Pbk. ed. Timber Press, 2008.