APA (7th ed.) Citation

Knutson, R. D., & Sorenson, V. L. (1977). Export and import policies. Texas Agricultural Extension Service.

Chicago Style (17th ed.) Citation

Knutson, Ronald D., and Vernon L. Sorenson. Export and Import Policies. College Station, Texas: Texas Agricultural Extension Service, 1977.

MLA (9th ed.) Citation

Knutson, Ronald D., and Vernon L. Sorenson. Export and Import Policies. Texas Agricultural Extension Service, 1977.