Cita APA (7a ed.)

Clark, B. (1991). Political economy: : a comparative approach. Praeger.

Cita Chicago Style (17a ed.)

Clark, Barry. Political Economy: : A Comparative Approach. New York [etc.]: Praeger, 1991.

Cita MLA (9a ed.)

Clark, Barry. Political Economy: : A Comparative Approach. Praeger, 1991.