APA (7th ed.) Citation

Crellin, J. K., Philpott, J., & Bass, A. L. T. (1990). Herbal medicine past and present. Duke University Press.

Chicago Style (17th ed.) Citation

Crellin, J. K., Jane Philpott, and A. L. Tommie Bass. Herbal Medicine Past and Present. Durham: Duke University Press, 1990.

MLA (8th ed.) Citation

Crellin, J. K., et al. Herbal Medicine Past and Present. Duke University Press, 1990.