APA引文

Iowa Crop and Livestock Reporting Service & Iowa Agricultural Statistics. Iowa crop report. The Service.

Chicago Style (17th ed.) Citation

Iowa Crop and Livestock Reporting Service and Iowa Agricultural Statistics. Iowa Crop Report. [Des Moines, Iowa]: The Service.

MLA引文

Iowa Crop and Livestock Reporting Service and Iowa Agricultural Statistics. Iowa Crop Report. The Service.

警告：這些引文格式不一定是100％准確.