APA (7th ed.) Citation

Wittgenstein, L. Prototractatus [dt. u.engl.].

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig. Prototractatus [dt. U.engl.].

MLA (9th ed.) Citation

Wittgenstein, Ludwig. Prototractatus [dt. U.engl.].

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