Cita APA (7a ed.)

Ingram, J. C., & Dunn, R. M. (1993). International economics (3rd ed.). John Wiley & Sons Inc.

Cita Chicago Style (17a ed.)

Ingram, James C., y Robert M. Dunn. International Economics. 3rd ed. New York [etc.]: John Wiley & Sons Inc, 1993.

Cita MLA (9a ed.)

Ingram, James C., y Robert M. Dunn. International Economics. 3rd ed. John Wiley & Sons Inc, 1993.