APA (7th ed.) Citation

Black, M. (1964). A companion to Wittgenstein's "Tractatus". Univ. Press.

Chicago Style (17th ed.) Citation

Black, Max. A Companion to Wittgenstein's "Tractatus". Cambridge: Univ. Press, 1964.

MLA (8th ed.) Citation

Black, Max. A Companion to Wittgenstein's "Tractatus". Univ. Press, 1964.

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