Cita APA (7a ed.)

Schumpeter, J. A. (1951). Imperialism and social classes. Augustus M. Kelley.

Cita Chicago Style (17a ed.)

Schumpeter, Joseph Alois. Imperialism and Social Classes. New York: Augustus M. Kelley, 1951.

Cita MLA (9a ed.)

Schumpeter, Joseph Alois. Imperialism and Social Classes. Augustus M. Kelley, 1951.