APA引文

Benn, S. I. (1980). A theory of freedom. Univ. Pr..

Chicago Style (17th ed.) Citation

Benn, S.I.(Stanley Isaac). A Theory of Freedom. Cambridge: Univ. Pr., 1980.

MLA引文

Benn, S.I.(Stanley Isaac). A Theory of Freedom. Univ. Pr., 1980.