APA (7th ed.) Citation

Wittgenstein, L. (1979). Tractatus logico-philosophicus (3a. ed.). Alianza.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. 3a. ed. Madrid: Alianza, 1979.

MLA (9th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. 3a. ed. Alianza, 1979.