The United States Patent and Trademark Depository Library Program at the Illinois State Library.
APA Citation
Illinois State Library. (2001). The United States Patent and Trademark Depository Library Program at the Illinois State Library. Springfield, Ill.: Jesse White, Secretary of State and State Librarian.
MLA Citation
Illinois State Library. The United States Patent And Trademark Depository Library Program At the Illinois State Library. Springfield, Ill.: Jesse White, Secretary of State and State Librarian, 2001.
Warning: These citations may not always be complete (especially for serials).