°Aberg, E., & Wiebe, G. A. (1946). Classification of barley varieties grown in the United States and Canada in 1945. US Dep. of Agriculture.
Chicago Style (17th ed.) Citation°Aberg, Ewert, and Gustav A. Wiebe. Classification of Barley Varieties Grown in the United States and Canada in 1945. Washington, DC: US Dep. of Agriculture, 1946.
MLA (9th ed.) Citation°Aberg, Ewert, and Gustav A. Wiebe. Classification of Barley Varieties Grown in the United States and Canada in 1945. US Dep. of Agriculture, 1946.
Warning: These citations may not always be 100% accurate.