Cita APA (7a ed.)

Haberler, G. (1955). A survey of international trade theory. Princeton University.

Cita Chicago Style (17a ed.)

Haberler, Gottfried. A Survey of International Trade Theory. Cambridge: Princeton University, 1955.

Cita MLA (8a ed.)

Haberler, Gottfried. A Survey of International Trade Theory. Princeton University, 1955.