Cita APA (7a ed.)

(1971). Socialism and capitalism: Score and prospects. Progress.

Cita Chicago Style (17a ed.)

Socialism and Capitalism: Score and Prospects. Moscow: Progress, 1971.

Cita MLA (9a ed.)

Socialism and Capitalism: Score and Prospects. Progress, 1971.

Precaución: Estas citas no son 100% exactas.