Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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