Cite

Exhortation : a Negro sermon / words by Alex Rogers ; music by Will Marion Cook. and Three Negro songs

MLA

Cook, Will Marion. Exhortation : a Negro Sermon / Words by Alex Rogers ; Music by Will Marion Cook., Three Negro Songs. G. Schirmer ;, The Boston Music Co., 0AD. https://collections.library.yale.edu/catalog/2014694.

APA, 6th edition

Cook, W. M. (0 C.E.). Exhortation : a Negro sermon / words by Alex Rogers ; music by Will Marion Cook., Three Negro songs [Covers (Illustrations), Musical works, Publishers' advertisements., Sheet music.]. G. Schirmer ;, The Boston Music Co., https://collections.library.yale.edu/catalog/2014694.