Παραπομπή APA

Wittgenstein, L. (1975). Tractatus logico-philosophicus ([Revised ed.].). Routledge and Kegan Paul.

Παραπομπή Chicago Style

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. [Revised ed.]. London: Routledge and Kegan Paul, 1975.

Παραπομπή MLA

Wittgenstein, Ludwig. Tractatus Logico-philosophicus. [Revised ed.]. Routledge and Kegan Paul, 1975.