APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Copi, Irving M., and Robert W. Beard. Essays on Wittgenstein's Tractatus. London: Routledge & Kegan Paul, 1966.

MLA (9th ed.) Citation

Copi, Irving M., and Robert W. Beard. Essays on Wittgenstein's Tractatus. Routledge & Kegan Paul, 1966.