APA
U.S. Department of Agriculture, . (1970). Cotton gin opearting costs in West Texas, 1968-69. Washington, D.C: U.S. Department of Agriculture.
Chicago
U.S. Department of Agriculture, . 1970. Cotton gin opearting costs in West Texas, 1968-69. Washington, D.C: U.S. Department of Agriculture.
Harvard
U.S. Department of Agriculture, . (1970). Cotton gin opearting costs in West Texas, 1968-69. Washington, D.C: U.S. Department of Agriculture.
MLA
U.S. Department of Agriculture, . Cotton gin opearting costs in West Texas, 1968-69. Washington, D.C: U.S. Department of Agriculture. 1970.