APA (7th ed.) Citation

Owen, D. J. (2002). The herbal internet companion: Herbs and herbal medicine online. Haworth Information Press.

Chicago Style (17th ed.) Citation

Owen, David J. The Herbal Internet Companion: Herbs and Herbal Medicine Online. New York: Haworth Information Press, 2002.

MLA (9th ed.) Citation

Owen, David J. The Herbal Internet Companion: Herbs and Herbal Medicine Online. Haworth Information Press, 2002.