Cita APA

Huffman, W. E., & Evenson, R. E. 1. (1990). Supply and demand functions for multiproduct U.S. cash grain farms: Biases caused by research and other policies. New Haven, Connecticut: Yale University.

Citación estilo Chicago

Huffman, Wallace E., y Robert Eugene 1934-2013 Evenson. Supply and Demand Functions for Multiproduct U.S. Cash Grain Farms: Biases Caused By Research and Other Policies. New Haven, Connecticut: Yale University, 1990.

Cita MLA

Huffman, Wallace E., y Robert Eugene 1934-2013 Evenson. Supply and Demand Functions for Multiproduct U.S. Cash Grain Farms: Biases Caused By Research and Other Policies. New Haven, Connecticut: Yale University, 1990.