APA (7th ed.) Citation

Wittgenstein, L. (1994). Tractatus logico-philosophicus. Routledge.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. London: Routledge, 1994.

MLA (9th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. Routledge, 1994.