MLA
Official Souvenir Program (Illustrated) : Sixteenth Convention of the National Negro Business League, Dr. Booker T. Washington, President : August 18th, 19th, 20th, 1915 : with a Brief History of Negro Business and Professional Men of Boston from 1846 to 1915, and Other Facts of the Race. A.W. Lavalle, Printer|Boston Negro Business League, 0AD. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9354f4qt92-cor.
APA, 6th edition
Official souvenir program (illustrated) : sixteenth convention of the National Negro Business League, Dr. Booker T. Washington, President : August 18th, 19th, 20th, 1915 : with a brief history of Negro business and professional men of Boston from 1846 to 1915, and other facts of the race. (0 C.E.). [African American author., African American publisher., African American pamphlet.]. A.W. Lavalle, Printer|Boston Negro Business League; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9354f4qt92-cor.
Chicago
“Official Souvenir Program (Illustrated) : Sixteenth Convention of the National Negro Business League, Dr. Booker T. Washington, President : August 18th, 19th, 20th, 1915 : with a Brief History of Negro Business and Professional Men of Boston from 1846 to 1915, and Other Facts of the Race.” African American author., African American publisher., African American pamphlet. African American Imprints Collection. Boston|Boston: A.W. Lavalle, Printer|Boston Negro Business League, 0AD. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9354f4qt92-cor.