Cita APA (7th ed.)

Brooking Institution, Washington, D.C. (1947). Major problems of United States foreign policy: A study guide. s.n.

Cita Chicago (17th ed.)

Brooking Institution, Washington, D.C. Major Problems of United States Foreign Policy: A Study Guide. [Washington]: s.n, 1947.

Cita MLA (9th ed.)

Brooking Institution, Washington, D.C. Major Problems of United States Foreign Policy: A Study Guide. s.n, 1947.