Cite

Four Pieces, violin and piano [Pastorale, Scherzando, Melody, Rondo]

MLA

Porter, Quincy, 1897-1966. Four Pieces, violin and piano [Pastorale, Scherzando, Melody, Rondo]. Box 51, folder 88. 1944-1947. https://collections.library.yale.edu/catalog/32207271.

APA, 6th edition

Porter, Quincy, 1897-1966. (["Box 51, folder 88"])(1944-1947)[Four Pieces, violin and piano [Pastorale, Scherzando, Melody, Rondo]]. https://collections.library.yale.edu/catalog/32207271.