Cita APA (7a ed.)

Bladen, V. (1951). An introduction to political economy (2nd ed.). University of Toronto Press.

Cita Chicago Style (17a ed.)

Bladen, V.W. An Introduction to Political Economy. 2nd ed. Toronto: University of Toronto Press, 1951.

Cita MLA (9a ed.)

Bladen, V.W. An Introduction to Political Economy. 2nd ed. University of Toronto Press, 1951.