Cita APA (7a ed.)

Braun, E. E. (1969). Bruce M. Russett. International regions and the international system: A study in political ecology. Chicago : Rand Mcnally, 1967. El Colegio de México A.C.

Cita Chicago Style (17a ed.)

Braun, Elisabeth Esser. Bruce M. Russett. International Regions and the International System: A Study in Political Ecology. Chicago : Rand Mcnally, 1967. El Colegio de México A.C, 1969.

Cita MLA (9a ed.)

Braun, Elisabeth Esser. Bruce M. Russett. International Regions and the International System: A Study in Political Ecology. Chicago : Rand Mcnally, 1967. El Colegio de México A.C, 1969.