Cita APA (7a ed.)

Johnston, P. (1991). Wittgenstein and moral philosophy ([1st publ.].). Routledge.

Cita Chicago Style (17a ed.)

Johnston, Paul. Wittgenstein and Moral Philosophy. [1st publ.]. London [etc.]: Routledge, 1991.

Cita MLA (9a ed.)

Johnston, Paul. Wittgenstein and Moral Philosophy. [1st publ.]. Routledge, 1991.