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MLA

Prater, Marvin, United States, and Agricultural Marketing Service. "Long-term Trends In Railroad Service and Capacity for U.s. Agriculture." ,

APA

Prater, M., United States, U. States, & Agricultural Marketing Service, A. Marketing Service. (2000). Long-term trends in railroad service and capacity for U.S. agriculture.

Chicago

Prater, Marvin., United States, and Agricultural Marketing Service. "Long-term trends in railroad service and capacity for U.S. agriculture" (2000):