Midsummer foliage sprays on salmonberry and thimbleberry /
by H. Gratkowski.

APA Citation

Gratkowski, H. (1971). Midsummer foliage sprays on salmonberry and thimbleberry. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture.

MLA Citation

Gratkowski, H. Midsummer Foliage Sprays On Salmonberry And Thimbleberry. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971.

Warning: These citations may not always be complete (especially for serials).