Cita APA (7a ed.)

Westphal, J. (1987). Colour: Some philosophical problems from Wittgenstein. Basil Blackwell.

Cita Chicago Style (17a ed.)

Westphal, Jonathan. Colour: Some Philosophical Problems from Wittgenstein. Oxford: Basil Blackwell, 1987.

Cita MLA (9a ed.)

Westphal, Jonathan. Colour: Some Philosophical Problems from Wittgenstein. Basil Blackwell, 1987.