Cita APA (7a ed.)

Pitcher, G. (1968). Wittgenstein. The Philosophical Investigations. Macmillan.

Cita Chicago Style (17a ed.)

Pitcher, George. Wittgenstein. The Philosophical Investigations. London: Macmillan, 1968.

Cita MLA (9a ed.)

Pitcher, George. Wittgenstein. The Philosophical Investigations. Macmillan, 1968.