Cita APA (7a ed.)

Rittberger, V. (2019). International organization (3rd ed.). Red Globe Press [etc.].

Cita Chicago Style (17a ed.)

Rittberger, Volker. International Organization. 3rd ed. London: Red Globe Press [etc.], 2019.

Cita MLA (9a ed.)

Rittberger, Volker. International Organization. 3rd ed. Red Globe Press [etc.], 2019.