APA (7th ed.) Citation

Wittgenstein, L. (1963). Philosophical investigation. Blackwell.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig. Philosophical Investigation. Blackwell, 1963.

MLA (9th ed.) Citation

Wittgenstein, Ludwig. Philosophical Investigation. Blackwell, 1963.

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