Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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