Cita APA (7a ed.)

Wittgenstein, L., & Russell, B. (1969). Tractatus Logico-Philosophicus 3. Routledge and Kegan Paul.

Cita Chicago Style (17a ed.)

Wittgenstein, Ludwig, y Bertrand Russell. Tractatus Logico-Philosophicus 3. London: Routledge and Kegan Paul, 1969.

Cita MLA (9a ed.)

Wittgenstein, Ludwig, y Bertrand Russell. Tractatus Logico-Philosophicus 3. Routledge and Kegan Paul, 1969.