Cita APA (7th ed.)

Wittgenstein, L., Klagge, J. C., & Nordmann, A. (1993). Philosophical occasions, 1912-1951. Hacket.

Cita Chicago (17th ed.)

Wittgenstein, Ludwig, James Carl Klagge, i Alfred Nordmann. Philosophical Occasions, 1912-1951. Indianapolis: Hacket, 1993.

Cita MLA (9th ed.)

Wittgenstein, Ludwig, et al. Philosophical Occasions, 1912-1951. Hacket, 1993.