APA (7th ed.) Citation

Richards, W. A., & Barnard, G. W. (2016). Sacred knowledge: Psychedelics and religious experiences. Columbia University Press.

Chicago Style (17th ed.) Citation

Richards, William A., and G. William Barnard. Sacred Knowledge: Psychedelics and Religious Experiences. New York: Columbia University Press, 2016.

MLA (8th ed.) Citation

Richards, William A., and G. William Barnard. Sacred Knowledge: Psychedelics and Religious Experiences. Columbia University Press, 2016.