APA (7th ed.) Citation

Locke, J., Berkeley, G., & Hume, D. (1974). The empiricists. Doubleday.

Chicago Style (17th ed.) Citation

Locke, John, George Berkeley, and David Hume. The Empiricists. New York: Doubleday, 1974.

MLA (9th ed.) Citation

Locke, John, et al. The Empiricists. Doubleday, 1974.