Cita APA (7th ed.)

Kowalchik, C., & Hylton, . W. H. (1987). Rodale's illustrated encyclopedia of herbs (First edition.). Rodale Press.

Cita Chicago (17th ed.)

Kowalchik, Claire, i William H. Hylton. Rodale's Illustrated Encyclopedia of Herbs. First edition. Pensylvania: Rodale Press, 1987.

Cita MLA (8th ed.)

Kowalchik, Claire, i William H. Hylton. Rodale's Illustrated Encyclopedia of Herbs. First edition. Rodale Press, 1987.