On-the-spot count :
cotton.

APA Citation

United States. Dept. of Agriculture. Economics, S. (1979). On-the-spot count: cotton. [Rev. June 1979.] [Washington]: Dept. of Agriculture, Economics, Statistics, and Cooperatives Service.

MLA Citation

United States. Dept. of Agriculture. Economics, Statistics, and Cooperatives Service. On-the-spot Count: Cotton. [Rev. June 1979.] [Washington]: Dept. of Agriculture, Economics, Statistics, and Cooperatives Service, 1979.

Warning: These citations may not always be complete (especially for serials).