Cita APA (7a ed.)

Chomsky, N. (1971). Problems of knowledge and freedom. Fontana Collins.

Cita Chicago Style (17a ed.)

Chomsky, Noam. Problems of Knowledge and Freedom. Londres, Inglaterra: Fontana Collins, 1971.

Cita MLA (9a ed.)

Chomsky, Noam. Problems of Knowledge and Freedom. Fontana Collins, 1971.