APA (7th ed.) Citation

Wittgenstein, L. (1973). Tractatus logico-philosophicus (1a. ed.). Alianza.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. 1a. ed. Madrid: Alianza, 1973.

MLA (9th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. 1a. ed. Alianza, 1973.