Cita APA (7a ed.)

Anscombe, G. E. M. (1971). An introduction to Wittgenstein's tractatus. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Anscombe, G. E. M. An Introduction to Wittgenstein's Tractatus. Philadelphia: University of Pennsylvania Press, 1971.

Cita MLA (9a ed.)

Anscombe, G. E. M. An Introduction to Wittgenstein's Tractatus. University of Pennsylvania Press, 1971.