APA (7th ed.) Citation

Wittgenstein, L., Pears, D. F., & McGuinness, B. (2001). Tractatus logico-philosophicus. Routledge.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig, David Francis Pears, and Brian McGuinness. Tractatus Logico-philosophicus. London ; New York: Routledge, 2001.

MLA (9th ed.) Citation

Wittgenstein, Ludwig, et al. Tractatus Logico-philosophicus. Routledge, 2001.