APA (7th ed.) Citation

Helpman, E. (1998). The structure of foreign trade. Foerder Inst. for Economic Research.

Chicago Style (17th ed.) Citation

Helpman, Elhanan. The Structure of Foreign Trade. Tel-Aviv: Foerder Inst. for Economic Research, 1998.

MLA (9th ed.) Citation

Helpman, Elhanan. The Structure of Foreign Trade. Foerder Inst. for Economic Research, 1998.

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