Cita APA (7a ed.)

Fogelin, R. J. (1987). Wittgenstein. Routledge & Kegan Paul.

Cita Chicago Style (17a ed.)

Fogelin, Robert J. Wittgenstein. London [etc.]: Routledge & Kegan Paul, 1987.

Cita MLA (9a ed.)

Fogelin, Robert J. Wittgenstein. Routledge & Kegan Paul, 1987.