APA (7th ed.) Citation

University of Pennsylvania. Morris Arboretum, World Health Organization, Tomlinson, T. R., & Akerele, O. (1998). Medicinal plants: Their role in health and biodiversity. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

University of Pennsylvania. Morris Arboretum, World Health Organization, Timothy R. Tomlinson, and Olayiwola Akerele. Medicinal Plants: Their Role in Health and Biodiversity. Philadelphia: University of Pennsylvania Press, 1998.

MLA (9th ed.) Citation

University of Pennsylvania. Morris Arboretum, et al. Medicinal Plants: Their Role in Health and Biodiversity. University of Pennsylvania Press, 1998.

Warning: These citations may not always be 100% accurate.