APA (7th ed.) Citation

Tontz, R. L. (1977). Foreign agricultural trade policy of the United States, 1776-1976. Dept. of Agriculture, Economic Research Service.

Chicago Style (17th ed.) Citation

Tontz, Robert L. Foreign Agricultural Trade Policy of the United States, 1776-1976. [Washington]: Dept. of Agriculture, Economic Research Service, 1977.

MLA (9th ed.) Citation

Tontz, Robert L. Foreign Agricultural Trade Policy of the United States, 1776-1976. Dept. of Agriculture, Economic Research Service, 1977.