MLA
Burleigh, H. T. (Harry Thacker), 1866-1949, Hanlon, John. "The Trees Have Grown So" music by H. T. Burleigh and words by John Hanlon. 1923. H.T. Burleigh Collection, 1903-1972. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzspb-cor.
APA, 6th edition
Burleigh, H. T. (Harry Thacker), 1866-1949, & Hanlon, John. (1923)["The Trees Have Grown So" music by H. T. Burleigh and words by John Hanlon]. H.T. Burleigh Collection, 1903-1972, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzspb-cor.
Chicago
Burleigh, H. T. (Harry Thacker), 1866-1949, Hanlon, John, "The Trees Have Grown So" music by H. T. Burleigh and words by John Hanlon, 1923, H.T. Burleigh Collection, 1903-1972, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzspb-cor.