Cita APA

Wittgenstein, L. (1958). Preliminary studies for the "philosophical investigations": The blue and brown books. Harper.

Citación estilo Chicago

Wittgenstein, Ludwig. Preliminary Studies for the "Philosophical Investigations": The Blue and Brown Books. New York: Harper, 1958.

Cita MLA

Wittgenstein, Ludwig. Preliminary Studies for the "Philosophical Investigations": The Blue and Brown Books. Harper, 1958.

Warning: These citations may not always be 100% accurate.