APA (7th ed.) Citation

Hallett, G. L., & Wittgenstein, L. (1977). A companion to Wittgenstein's Philosophical investigations. Cornell University Press.

Chicago Style (17th ed.) Citation

Hallett, Garth L., and Ludwig Wittgenstein. A Companion to Wittgenstein's Philosophical Investigations. Ithaca: Cornell University Press, 1977.

MLA (9th ed.) Citation

Hallett, Garth L., and Ludwig Wittgenstein. A Companion to Wittgenstein's Philosophical Investigations. Cornell University Press, 1977.