Cita APA (7th ed.)

Ingram, J. C. (1970). International economic problem (2nd ed.). John Wiley.

Cita Chicago (17th ed.)

Ingram, James C. International Economic Problem. 2nd ed. NewYork: John Wiley, 1970.

Cita MLA (9th ed.)

Ingram, James C. International Economic Problem. 2nd ed. John Wiley, 1970.