Cita APA (7a ed.)

Brenkert, G. G. (1983). Marx's ethics of freedom. Routledge & Kegan Paul.

Cita Chicago Style (17a ed.)

Brenkert, George G. Marx's Ethics of Freedom. London ; Boston ; Melbourne ; Henley: Routledge & Kegan Paul, 1983.

Cita MLA (9a ed.)

Brenkert, George G. Marx's Ethics of Freedom. Routledge & Kegan Paul, 1983.