The spruce budworm in Minnesota /
S.A. Graham and L.W. Orr.

APA Citation

Graham, S. Alexander., Orr, L. W. (Leslie Wayne). (1940). The spruce budworm in Minnesota. [St. Paul]: University of Minnesota, Agricultural Experiment Station.

MLA Citation

Graham, Samuel Alexander, 1891-, and L. W. (Leslie Wayne) Orr. The Spruce Budworm In Minnesota. [St. Paul]: University of Minnesota, Agricultural Experiment Station, 1940.

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