Cita APA (7th ed.)

Ellsworth, P. T. (1969). The international economy (4th ed.). Macmillan.

Cita Chicago (17th ed.)

Ellsworth, Paul Theodore. The International Economy. 4th ed. NewYork: Macmillan, 1969.

Cita MLA (9th ed.)

Ellsworth, Paul Theodore. The International Economy. 4th ed. Macmillan, 1969.