Library of Congress. Copyright Office. Annual report of the [R]egister of Copyrights for the fiscal year ending ... U.S. G.P.O.
Chicago Style (17th ed.) CitationLibrary of Congress. Copyright Office. Annual Report of the [R]egister of Copyrights for the Fiscal Year Ending ... Washington, [D.C.]: U.S. G.P.O.
MLA (9th ed.) CitationLibrary of Congress. Copyright Office. Annual Report of the [R]egister of Copyrights for the Fiscal Year Ending ... U.S. G.P.O.
Warning: These citations may not always be 100% accurate.