Cita APA (7a ed.)

Towle, L. W. (1956). International trade and commercial policy (2nd ed.). Harper & Brothers.

Cita Chicago Style (17a ed.)

Towle, Lawrence W. International Trade and Commercial Policy. 2nd ed. New York: Harper & Brothers, 1956.

Cita MLA (9a ed.)

Towle, Lawrence W. International Trade and Commercial Policy. 2nd ed. Harper & Brothers, 1956.