Cita APA (7a ed.)

Steffensen, J. E., Helmer, B. J., & Cressey, L. E. (2014). Careers in International Affairs (Ninth edition.). Georgetown University Press.

Cita Chicago Style (17a ed.)

Steffensen, Jennifer E., Barrett J. Helmer, y Laura E. Cressey. Careers in International Affairs. Ninth edition. Washington, DC: Georgetown University Press, 2014.

Cita MLA (8a ed.)

Steffensen, Jennifer E., et al. Careers in International Affairs. Ninth edition. Georgetown University Press, 2014.