Library of Congress. Copyright Office. Reproduction of Copyrighted Works by Educators and Librarians.
Chicago Style (17th ed.) CitationLibrary of Congress. Copyright Office. Reproduction of Copyrighted Works by Educators and Librarians.
MLA (9th ed.) CitationLibrary of Congress. Copyright Office. Reproduction of Copyrighted Works by Educators and Librarians.
Warning: These citations may not always be 100% accurate.