Circular.

MLA

University of Arkansas (Fayetteville campus). and United States. Circular. Little Rock, Arkansas : Extension Service, College of Agriculture, University of Arkansas : U.S. Department of Agriculture, cooperating, 1921-1923.

APA

University of Arkansas (Fayetteville campus). & United States. (1921). Circular. Little Rock, Arkansas : Extension Service, College of Agriculture, University of Arkansas : U.S. Department of Agriculture, cooperating.

Chicago

University of Arkansas (Fayetteville campus). and United States. Circular. Little Rock, Arkansas : Extension Service, College of Agriculture, University of Arkansas : U.S. Department of Agriculture, cooperating, 1921-1923.