APA (7th ed.) Citation

Ellsworth, P. T., & Leith, J. C. (1975). The international economy (5th ed.). National Book Store.

Chicago Style (17th ed.) Citation

Ellsworth, P. T., and J. Clark Leith. The International Economy. 5th ed. Manila: National Book Store, 1975.

MLA (9th ed.) Citation

Ellsworth, P. T., and J. Clark Leith. The International Economy. 5th ed. National Book Store, 1975.