Cita APA (7a ed.)

Brummer, K., & Oppermann, K. (2018). Foreign Policy Analysis (2nd ed.). Walter de Gruyter GmbH.

Cita Chicago Style (17a ed.)

Brummer, Klaus, y Kai Oppermann. Foreign Policy Analysis. 2nd ed. Berlin/München/Boston: Walter de Gruyter GmbH, 2018.

Cita MLA (8a ed.)

Brummer, Klaus, y Kai Oppermann. Foreign Policy Analysis. 2nd ed. Walter de Gruyter GmbH, 2018.