APA (7th ed.) Citation

El-Agraa, A. M., & Jones, A. J. (1981). Theory of customs unions. Philip Allan.

Chicago Style (17th ed.) Citation

El-Agraa, A. M., and A. J. Jones. Theory of Customs Unions. Deddington, Oxford: Philip Allan, 1981.

MLA (8th ed.) Citation

El-Agraa, A. M., and A. J. Jones. Theory of Customs Unions. Philip Allan, 1981.

Warning: These citations may not always be 100% accurate.