Cita APA (7a ed.)

Lieber, R. J. (1972). Theory and world politics. Winthrop.

Cita Chicago Style (17a ed.)

Lieber, Robert J. Theory and World Politics. Cambridge, Mass: Winthrop, 1972.

Cita MLA (9a ed.)

Lieber, Robert J. Theory and World Politics. Winthrop, 1972.