APA (7th ed.) Citation

Hume, D., Bell, M., & Bell, J. M. (1990). Dialogues concerning natural religion. Penguin Books.

Chicago Style (17th ed.) Citation

Hume, David, Martin Bell, and John M. Bell. Dialogues Concerning Natural Religion. London [u.a.]: Penguin Books, 1990.

MLA (8th ed.) Citation

Hume, David, et al. Dialogues Concerning Natural Religion. Penguin Books, 1990.