APA (7th ed.) Citation

Wittgenstein, L. (1999). Tractatus logico-philosophicus. Alianza.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. Madrid: Alianza, 1999.

MLA (9th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. Alianza, 1999.