Fire blight :
a bacterial disease of rosaceous plants /
by Tom Van Der Zwet and Harry L. Keil ; prepared by Science and Education Administration.

APA Citation

Van Der Zwet, T., Keil, H. L.., United States. Science and Education Administration. (1979). Fire blight: a bacterial disease of rosaceous plants. [Washington]: Dept. of Agriculture, Science and Education Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off..

MLA Citation

Van Der Zwet, Tom, Harry L. Keil, and United States. Science and Education Administration. Fire Blight: a Bacterial Disease of Rosaceous Plants. [Washington]: Dept. of Agriculture, Science and Education Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1979.