Cita APA (7a ed.)

Cowling, M. (1963). The nature and limits of political science. University Press.

Cita Chicago Style (17a ed.)

Cowling, Maurice. The Nature and Limits of Political Science. Cambridge: University Press, 1963.

Cita MLA (9a ed.)

Cowling, Maurice. The Nature and Limits of Political Science. University Press, 1963.