APA (7th ed.) Citation

Helpman, E., & Razin, A. (1991). International trade and policy.

Chicago Style (17th ed.) Citation

Helpman, Elhanan, and Assaf Razin. International Trade and Policy. Cambridge, Mass, 1991.

MLA (9th ed.) Citation

Helpman, Elhanan, and Assaf Razin. International Trade and Policy. 1991.

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