APA (7th ed.) Citation

Wittgenstein, L. (2004). Tractatus logico-philosophicus by Ludwig Wittgenstein. Project Gutenberg Literary Archive Foundation.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus by Ludwig Wittgenstein. Salt Lake City: Project Gutenberg Literary Archive Foundation, 2004.

MLA (9th ed.) Citation

Wittgenstein, Ludwig. Tractatus Logico-philosophicus by Ludwig Wittgenstein. Project Gutenberg Literary Archive Foundation, 2004.

Warning: These citations may not always be 100% accurate.