APA (7th ed.) Citation

Williams, J. O., & Speelman, S. R. (1948). Mule production (Slightly rev. July 1948.). U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Williams, J. O., and S. R. Speelman. Mule Production. Slightly rev. July 1948. Washington, D.C.: U.S. Dept. of Agriculture, 1948.

MLA (9th ed.) Citation

Williams, J. O., and S. R. Speelman. Mule Production. Slightly rev. July 1948. U.S. Dept. of Agriculture, 1948.