APA (7th ed.) Citation

Black, M. (1964). A companion to Wittgenstein's Tractatus. Cornell University Press.

Chicago Style (17th ed.) Citation

Black, Max. A Companion to Wittgenstein's Tractatus. Ithaca, N.Y: Cornell University Press, 1964.

MLA (9th ed.) Citation

Black, Max. A Companion to Wittgenstein's Tractatus. Cornell University Press, 1964.