Forest trees of Maryland, how to know them.
University of Maryland, State Department of Forestry ... in cooperation with the Forest Service, U.S. Department of Agriculture.
APA Citation
Maryland. State Department of Forestry. (1938). Forest trees of Maryland, how to know them: University of Maryland, State Department of Forestry ... in cooperation with the Forest Service, U.S. Department of Agriculture. 2d ed. Baltimore?.
MLA Citation
Maryland. State Department of Forestry. Forest Trees of Maryland, How to Know Them: University of Maryland, State Department of Forestry ... In Cooperation With the Forest Service, U.S. Department of Agriculture. 2d ed. Baltimore?, 1938.
Warning: These citations may not always be complete (especially for serials).