Cita APA (7a ed.)

Gandolfo, G. (1987). The pure theory of international trade. Springer.

Cita Chicago Style (17a ed.)

Gandolfo, Giancarlo. The Pure Theory of International Trade. Berlin [etc.]: Springer, 1987.

Cita MLA (9a ed.)

Gandolfo, Giancarlo. The Pure Theory of International Trade. Springer, 1987.