Gaya APA

Baxter, K. et al (2013). Stockley's Herbal Medicines Interactions: A Guide to The Interactions of Herbal Medicines (2nd.ed). London: Pharmaceutical Press.

Gaya MLA

Baxter, Karen. et al. "Stockley's Herbal Medicines Interactions: A Guide to The Interactions of Herbal Medicines". 2nd.ed London: Pharmaceutical Press, 2013. Text.