Cita APA (7th ed.)

Haas, E. B. (1969). Tangle of hopes: American commitments and world order. Prentice-Hall.

Cita Chicago (17th ed.)

Haas, Ernst B. Tangle of Hopes: American Commitments and World Order. Englewood Cliffs, N.J: Prentice-Hall, 1969.

Cita MLA (9th ed.)

Haas, Ernst B. Tangle of Hopes: American Commitments and World Order. Prentice-Hall, 1969.