Layers and egg production.
Annual revisions ... by months.

APA Citation

United States. Crop Reporting Board. (19741982). Layers and egg production. Washington, D.C.: U.S. Dept. of Agriculture, Statistical Reporting Service, Crop Reporting Board.

MLA Citation

United States. Crop Reporting Board. Layers And Egg Production. Washington, D.C.: U.S. Dept. of Agriculture, Statistical Reporting Service, Crop Reporting Board, 19741982.

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