(1973). Afro-Americana, 1553 - 1906: Author catalog of the Library Company of Philadelphia and the Historical Society of Pennsylvania. Hale.
Chicago-Zitierstil (17. Ausg.)Afro-Americana, 1553 - 1906: Author Catalog of the Library Company of Philadelphia and the Historical Society of Pennsylvania. Boston, Mass: Hale, 1973.
MLA-Zitierstil (9. Ausg.)Afro-Americana, 1553 - 1906: Author Catalog of the Library Company of Philadelphia and the Historical Society of Pennsylvania. Hale, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.