United States Library of Congress Music Division. (1957). Classification. Class M: Music and books on music (2nd ed., with supplementary pages.). U. S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States Library of Congress Music Division. Classification. Class M: Music and Books on Music. 2nd ed., with supplementary pages. Washington: U. S. Government Printing Office, 1957.
MLA (9th ed.) CitationUnited States Library of Congress Music Division. Classification. Class M: Music and Books on Music. 2nd ed., with supplementary pages. U. S. Government Printing Office, 1957.
Warning: These citations may not always be 100% accurate.