APA (7th ed.) Citation

U.S. Library of Congress. Music Division, U.S. Library of Congress. Catalogue Division, Gregory, J., Sonneck, O. G. T., & Bartlett, H. (1944). Catalogue of early books on music (before 1800). Suppl. (Books acquired by the Library 1913-1942). s. n.

Chicago Style (17th ed.) Citation

U.S. Library of Congress. Music Division, U.S. Library of Congress. Catalogue Division, Julia Gregory, Oscar George Theodore Sonneck, and Hazel Bartlett. Catalogue of Early Books on Music (before 1800). Suppl. (Books Acquired by the Library 1913-1942). Washington: s. n, 1944.

MLA (9th ed.) Citation

U.S. Library of Congress. Music Division, et al. Catalogue of Early Books on Music (before 1800). Suppl. (Books Acquired by the Library 1913-1942). s. n, 1944.