APA (7th ed.) Citation

Penn, J. B., & Irwin, G. D. (1977). Constrained input-output simulations of energy restrictions in the food and fiber system. Dept. of Agriculture, Economic Research Service, [National Economic Analysis Division].

Chicago Style (17th ed.) Citation

Penn, J. B., and George D. Irwin. Constrained Input-output Simulations of Energy Restrictions in the Food and Fiber System. [Washington]: Dept. of Agriculture, Economic Research Service, [National Economic Analysis Division], 1977.

MLA (9th ed.) Citation

Penn, J. B., and George D. Irwin. Constrained Input-output Simulations of Energy Restrictions in the Food and Fiber System. Dept. of Agriculture, Economic Research Service, [National Economic Analysis Division], 1977.