APA (7th ed.) Citation

Hume, D., & Root, H. (1956). The natural history of religion. Stanford University Press.

Chicago Style (17th ed.) Citation

Hume, David, and H.E Root. The Natural History of Religion. Stanford: Stanford University Press, 1956.

MLA (8th ed.) Citation

Hume, David, and H.E Root. The Natural History of Religion. Stanford University Press, 1956.