MLA

Ushenko, Andrew Paul. Power and Events : an Essay On Dynamics In Philosophy. Princeton: Princeton university press, 1946.

APA

Ushenko, A. Paul. (1946). Power and events : an essay on dynamics in philosophy. Princeton: Princeton university press.

Chicago

Ushenko, Andrew Paul, Power and Events: An Essay On Dynamics In Philosophy. Princeton: Princeton university press, 1946.