Effect of time, depth, and method of plowing upon yield and eradication of biennial sweet clovers /
by F.S. Wilkins and E.V. Collins.
APA Citation
Wilkins, F. S. (F. Scott)., Collins, E. Vermont. (1933). Effect of time, depth, and method of plowing upon yield and eradication of biennial sweet clovers. Ames, Iowa: Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts.
MLA Citation
Wilkins, F. S. (F. Scott), and Edgar Vermont Collins. Effect of Time, Depth, And Method of Plowing Upon Yield And Eradication of Biennial Sweet Clovers. Ames, Iowa: Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts, 1933.
Warning: These citations may not always be complete (especially for serials).