Wallerstein, I. Crisis as transition.
Cita Chicago Style (17a ed.)Wallerstein, Immanuel. Crisis as Transition.
Cita MLA (9a ed.)Wallerstein, Immanuel. Crisis as Transition.
警告：這些引文格式不一定是100％准確.
Cita APA (7a ed.)
Wallerstein, I. Crisis as transition.
Cita Chicago Style (17a ed.)Wallerstein, Immanuel. Crisis as Transition.
Cita MLA (9a ed.)Wallerstein, Immanuel. Crisis as Transition.