APA (7th ed.) Citation

Library of Congress. (1917). Classification: Music and books on music; M, Music; ML, Literature of music; MT, Musical instruction and study. U.S. GPO.

Chicago Style (17th ed.) Citation

Library of Congress. Classification: Music and Books on Music; M, Music; ML, Literature of Music; MT, Musical Instruction and Study. Washington: U.S. GPO, 1917.

MLA (9th ed.) Citation

Library of Congress. Classification: Music and Books on Music; M, Music; ML, Literature of Music; MT, Musical Instruction and Study. U.S. GPO, 1917.