Cita APA (7a ed.)

Nadal, A. (1969). William O. Freithaler. Mexico's foreign trade and economic development. Nueva York: Frederick Praeger Publishers, 1968. El Colegio de México A.C.

Cita Chicago Style (17a ed.)

Nadal, Alejandro. William O. Freithaler. Mexico's Foreign Trade and Economic Development. Nueva York: Frederick Praeger Publishers, 1968. El Colegio de México A.C, 1969.

Cita MLA (9a ed.)

Nadal, Alejandro. William O. Freithaler. Mexico's Foreign Trade and Economic Development. Nueva York: Frederick Praeger Publishers, 1968. El Colegio de México A.C, 1969.