APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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