Library of Congress. Copyright Office. Copyright Office fees. U.S. Copyright Office, Library of Congress.
Chicago Style (17th ed.) CitationLibrary of Congress. Copyright Office. Copyright Office Fees. Washington, DC: U.S. Copyright Office, Library of Congress.
MLA (9th ed.) CitationLibrary of Congress. Copyright Office. Copyright Office Fees. U.S. Copyright Office, Library of Congress.
Warning: These citations may not always be 100% accurate.