NALDC

Main content area

MLA

Osborn, W. M. Rotation tillage experiments at the Lawton (Okla.) Field Station, 1917-1930 . U.S. Dept. of Agriculture, 1932.

APA

Osborn, W. M. (1932). Rotation tillage experiments at the Lawton (Okla.) Field Station, 1917-1930. U.S. Dept. of Agriculture.

Chicago

Osborn, W. M. Rotation tillage experiments at the Lawton (Okla.) Field Station, 1917-1930 . U.S. Dept. of Agriculture, 1932.