Cita APA (7a ed.)

Porter, J. M. (1989). Classics in political philosophy. Prentice-Hall.

Cita Chicago Style (17a ed.)

Porter, Jene M. Classics in Political Philosophy. Ontorio: Prentice-Hall, 1989.

Cita MLA (9a ed.)

Porter, Jene M. Classics in Political Philosophy. Prentice-Hall, 1989.