APA (7th ed.) Citation

Hartland-Thunberg, P. (1980). Trading Blocs, U.S. Exports, and World Trade. Westview Press.

Chicago Style (17th ed.) Citation

Hartland-Thunberg, Penelope. Trading Blocs, U.S. Exports, and World Trade. Westview Press, 1980.

MLA (8th ed.) Citation

Hartland-Thunberg, Penelope. Trading Blocs, U.S. Exports, and World Trade. Westview Press, 1980.

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