Gaya APA

Barrett, M. (2004). The Handbook of Clinically Tested Herbal Remedies Volume 2 (Volume 2). New York: Imprints of The Haworth Press.

Gaya MLA

Barrett, Marilyn. "The Handbook of Clinically Tested Herbal Remedies Volume 2". Volume 2 New York: Imprints of The Haworth Press, 2004. Text.