APA (7th ed.) Citation

Greenwald, W. I., & Hultgren, T. (1953). Transport and the state of trade in Britain. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Greenwald, William I., and Thor Hultgren. Transport and the State of Trade in Britain. New York: National Bureau of Economic Research, 1953.

MLA (9th ed.) Citation

Greenwald, William I., and Thor Hultgren. Transport and the State of Trade in Britain. National Bureau of Economic Research, 1953.