MLA

Normann, Jules. Little Dorrit's Polka : Performed before Her Majesty / Composed by Jules Normann. J. Allen, Musical Bouquet Office , 1857. https://collections.library.yale.edu/catalog/17384721.

APA, 6th edition

Normann, J. (1857). Little Dorrit's polka : performed before her Majesty / composed by Jules Normann. [Scores]. J. Allen, Musical Bouquet Office . https://collections.library.yale.edu/catalog/17384721.