Style de citation APA (7e éd.)

Grygiel, J. J. (2006). Great powers and geopolitical change. Johns Hopkins University Press.

Style de citation Chicago (17e éd.)

Grygiel, Jakub J. Great Powers and Geopolitical Change. Baltimore: Johns Hopkins University Press, 2006.

Style de citation MLA (8e éd.)

Grygiel, Jakub J. Great Powers and Geopolitical Change. Johns Hopkins University Press, 2006.