APA (7th ed.) Citation

Heady, E. O., & Sonka, S. T. (1975). Farm-size structure and off-farm income and employment generation in the north central region. North Central Regional Center for Rural Development, Iowa State University.

Chicago Style (17th ed.) Citation

Heady, Earl O., and Steven T. Sonka. Farm-size Structure and Off-farm Income and Employment Generation in the North Central Region. Ames: North Central Regional Center for Rural Development, Iowa State University, 1975.

MLA (9th ed.) Citation

Heady, Earl O., and Steven T. Sonka. Farm-size Structure and Off-farm Income and Employment Generation in the North Central Region. North Central Regional Center for Rural Development, Iowa State University, 1975.