APA (7th ed.) Citation

United States. Patent and Trademark Office. (2000). Customer guide to procurement (Rev. Mar. 2000.). U.S. Patent and Trademark Office, Office of Procurement.

Chicago Style (17th ed.) Citation

United States. Patent and Trademark Office. Customer Guide to Procurement. Rev. Mar. 2000. [Washington, D.C.?]: U.S. Patent and Trademark Office, Office of Procurement, 2000.

MLA (9th ed.) Citation

United States. Patent and Trademark Office. Customer Guide to Procurement. Rev. Mar. 2000. U.S. Patent and Trademark Office, Office of Procurement, 2000.