APA (7th ed.) Citation

Weakly, H., & Weakly, H. E. (1957). Fifty years of agricultural research at the USDA Newell Field Station, Newell, South Dakota. Agricultural Research Service.

Chicago Style (17th ed.) Citation

Weakly, H.E, and H. E. Weakly. Fifty Years of Agricultural Research at the USDA Newell Field Station, Newell, South Dakota. [Washington, D.C.]: Agricultural Research Service, 1957.

MLA (9th ed.) Citation

Weakly, H.E, and H. E. Weakly. Fifty Years of Agricultural Research at the USDA Newell Field Station, Newell, South Dakota. Agricultural Research Service, 1957.