Harvesting the corn crop in Illinois :
an economic study of methods and relative costs /
by P.E. Johnston and K.H. Myers.

APA Citation

Johnston, P. E. (Paul Evans)., Myers, K. Hayes. (1931). Harvesting the corn crop in Illinois: an economic study of methods and relative costs. Urbana, Ill.: University of Illinois Agricultural Experiment Station.

MLA Citation

Johnston, P. E. (Paul Evans), 1895-, and Kenneth Hayes Myers. Harvesting the Corn Crop In Illinois: an Economic Study of Methods And Relative Costs. Urbana, Ill.: University of Illinois Agricultural Experiment Station, 1931.

Warning: These citations may not always be complete (especially for serials).