MLA
Smith, N. Clark (Nathaniel Clark), 1877-1933. Prayer from "Negro Choral Symphony". 1917. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/037hqbzmks-cor.
APA, 6th edition
Smith, N. Clark (Nathaniel Clark), 1877-1933. (1917)[Prayer from "Negro Choral Symphony"]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/037hqbzmks-cor.
Chicago
Smith, N. Clark (Nathaniel Clark), 1877-1933, Prayer from "Negro Choral Symphony", 1917, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/037hqbzmks-cor.