Outbreaks of the Dutch elm disease in the United States /
by Curtis May.
APA Citation
May, C. (1934). Outbreaks of the Dutch elm disease in the United States. Washington, D.C.: U.S. Dept. of Agriculture.
MLA Citation
May, Curtis, 1897-. Outbreaks of the Dutch Elm Disease In the United States. Washington, D.C.: U.S. Dept. of Agriculture, 1934.
Warning: These citations may not always be complete (especially for serials).