APA (7th ed.) Citation

Wittgenstein, L., Pears, D. F., & McGuinness, B. F. (1971). Tractatus Logico-Philosophicus (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig, D. F. Pears, and B. F. McGuinness. Tractatus Logico-Philosophicus. 2nd ed. London: Routledge, 1971.

MLA (8th ed.) Citation

Wittgenstein, Ludwig, et al. Tractatus Logico-Philosophicus. 2nd ed. Routledge, 1971.