Hart, H. (1931). Morphologic and physiologic studies on stem-rust in cereals. Unites States Departament of Agriculture.
Chicago Style (17th ed.) CitationHart, Helen. Morphologic and Physiologic Studies on Stem-rust in Cereals. Washington: Unites States Departament of Agriculture, 1931.
MLA (9th ed.) CitationHart, Helen. Morphologic and Physiologic Studies on Stem-rust in Cereals. Unites States Departament of Agriculture, 1931.
Warning: These citations may not always be 100% accurate.