Timothy rust in the United States,
by Edward C. Johnson ...

APA Citation

Johnson, E. C., United States. Government Printing Office., United States. Bureau of Plant Industry., United States. Dept. of Agriculture. (1911). Timothy rust in the United States. Washington: G.P.O..

MLA Citation

Johnson, Edward C, United States. Government Printing Office, United States. Bureau of Plant Industry, and United States. Dept. of Agriculture. Timothy Rust In the United States. Washington: G.P.O., 1911.