Cita APA (7a ed.)

Day, R. B. (1973). León Trotsky and the politics of economic isolation. Cambridge University Press.

Cita Chicago Style (17a ed.)

Day, Richard B. León Trotsky and the Politics of Economic Isolation. New York: Cambridge University Press, 1973.

Cita MLA (8a ed.)

Day, Richard B. León Trotsky and the Politics of Economic Isolation. Cambridge University Press, 1973.