American agriculture, 1899-1939;
a study of output, employment and productivity,
by Harold Barger and Hans H. Landsberg.
APA Citation
Barger, H., Landsberg, H. H.. (1942). American agriculture, 1899-1939: a study of output, employment and productivity. New York: National bureau of economic research, inc.
MLA Citation
Barger, Harold, and Hans H. Landsberg. American Agriculture, 1899-1939: a Study of Output, Employment And Productivity. New York: National bureau of economic research, inc, 1942.
Warning: These citations may not always be complete (especially for serials).