APA (7th ed.) Citation

Michigan Crop Reporting Service, Ropel, S. C., & Ruckman, C. L. (1973). Dairy trends in Michigan, 1973. Michigan Crop Reporting Service.

Chicago Style (17th ed.) Citation

Michigan Crop Reporting Service, Stephen C. Ropel, and Charles L. Ruckman. Dairy Trends in Michigan, 1973. Lansing: Michigan Crop Reporting Service, 1973.

MLA (9th ed.) Citation

Michigan Crop Reporting Service, et al. Dairy Trends in Michigan, 1973. Michigan Crop Reporting Service, 1973.