Cita APA (7th ed.)

Welch, D. A. (2005). Painful choices: A theory of foreign policy change. Princeton University Press.

Cita Chicago (17th ed.)

Welch, David A. Painful Choices: A Theory of Foreign Policy Change. Princeton, N.J.: Princeton University Press, 2005.

Cita MLA (9th ed.)

Welch, David A. Painful Choices: A Theory of Foreign Policy Change. Princeton University Press, 2005.