APA (7th ed.) Citation

Kelley, M. A. R. (1930). Ventilation of farm barns. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Kelley, M. A. R. Ventilation of Farm Barns. Washington: U.S. Dept. of Agriculture, 1930.

MLA (8th ed.) Citation

Kelley, M. A. R. Ventilation of Farm Barns. U.S. Dept. of Agriculture, 1930.