The story of the United States Patent and Trademark Office.
APA Citation
United States. Patent and Trademark Office. (1981). The story of the United States Patent and Trademark Office. Washington: for sale by Supt. of Docs., U.S. G.P.O..
MLA Citation
United States. Patent and Trademark Office. The Story of the United States Patent And Trademark Office. Washington: for sale by Supt. of Docs., U.S. G.P.O., 1981.
Warning: These citations may not always be complete (especially for serials).