Cita APA (7a ed.)

Allen, R., & Ely, J. E. (1953). International trade statistics. John Wiley & sons.

Cita Chicago Style (17a ed.)

Allen, R.G.D, y J. Edward Ely. International Trade Statistics. New York: John Wiley & sons, 1953.

Cita MLA (8a ed.)

Allen, R.G.D, y J. Edward Ely. International Trade Statistics. John Wiley & sons, 1953.