Cita APA (7a ed.)

Haberler, G., & Blumenthal, W. M. (1955). A survey of international trade theory. International Finance Section, Princeton University.

Cita Chicago Style (17a ed.)

Haberler, Gottfried, y W. Michael Blumenthal. A Survey of International Trade Theory. [Princeton]: International Finance Section, Princeton University, 1955.

Cita MLA (9a ed.)

Haberler, Gottfried, y W. Michael Blumenthal. A Survey of International Trade Theory. International Finance Section, Princeton University, 1955.