APA (7th ed.) Citation

Ward, W. F., Gray, D. T., & Lloyd, E. R. (1919). A comparison of roughages for fattening steers in the South. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Ward, W. F., Dan T. Gray, and E. R. Lloyd. A Comparison of Roughages for Fattening Steers in the South. Washington, D.C.: U.S. Dept. of Agriculture, 1919.

MLA (9th ed.) Citation

Ward, W. F., et al. A Comparison of Roughages for Fattening Steers in the South. U.S. Dept. of Agriculture, 1919.