APA (7th ed.) Citation

Copi, I. M., & Beard, R. W. (1966). Essays on Wittgenstein's Tractatus. Macmillan.

Chicago Style (17th ed.) Citation

Copi, Irving M., and Robert W. Beard. Essays on Wittgenstein's Tractatus. New York: Macmillan, 1966.

MLA (9th ed.) Citation

Copi, Irving M., and Robert W. Beard. Essays on Wittgenstein's Tractatus. Macmillan, 1966.