APA (7th ed.) Citation

Haas, H. J., Evans, C. E., & Miles, E. F. (1957). Nitrogen and carbon changes in Great Plains soils as influenced by cropping and soil treatments. U.S. Department of Agriculture.

Chicago Style (17th ed.) Citation

Haas, H. J., C. E. Evans, and E. F. Miles. Nitrogen and Carbon Changes in Great Plains Soils as Influenced by Cropping and Soil Treatments. Washington, D.C.: U.S. Department of Agriculture, 1957.

MLA (9th ed.) Citation

Haas, H. J., et al. Nitrogen and Carbon Changes in Great Plains Soils as Influenced by Cropping and Soil Treatments. U.S. Department of Agriculture, 1957.