APA (7th ed.) Citation

United States. Soil Conservation Service, Allred, B. W., Davis, D. O., Jenkins, E. W., & Wolff, S. E. (1940). Photoprints of United States Soil Conservation Service activities in Texas counties. [United States Soil Conservation Service].

Chicago Style (17th ed.) Citation

United States. Soil Conservation Service, B. W. Allred, David O. Davis, E. W. Jenkins, and Simon E. Wolff. Photoprints of United States Soil Conservation Service Activities in Texas Counties. [Texas]: [United States Soil Conservation Service], 1940.

MLA (9th ed.) Citation

United States. Soil Conservation Service, et al. Photoprints of United States Soil Conservation Service Activities in Texas Counties. [United States Soil Conservation Service], 1940.