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Plant Inventory, 1929, no. 90 (70868-73049)
MLA
United States Department of Agriculture. Plant Inventory, 1929, no. 90 (70868-73049). , 1929.
APA
United States Department of Agriculture. (1929). Plant Inventory, 1929, no. 90 (70868-73049). .
Chicago
United States Department of Agriculture. Plant Inventory, 1929, no. 90 (70868-73049). , 1929.