APA引文

University of Arkansas (System). Cooperative Extension Service & United States. Department of Agriculture. (1973). Circular. Cooperative Extension Service, University of Arkansas, Division of Agriculture and U.S. Dept. of Agriculture, cooperating.

Chicago Style (17th ed.) Citation

University of Arkansas (System). Cooperative Extension Service and United States. Department of Agriculture. Circular. [Little Rock, Ark.]: Cooperative Extension Service, University of Arkansas, Division of Agriculture and U.S. Dept. of Agriculture, cooperating, 1973.

MLA引文

University of Arkansas (System). Cooperative Extension Service and United States. Department of Agriculture. Circular. Cooperative Extension Service, University of Arkansas, Division of Agriculture and U.S. Dept. of Agriculture, cooperating, 1973.