Cite

Courier Lith. Co. Buffalo Advertising envelope. "Nate Salsbury's Black America Negro Life & Character." With portrait of Salsbury in derby hat

MLA

Simpson, Randolph Linsly, 1927-1992. Courier Lith. Co. Buffalo Advertising envelope. "Nate Salsbury's Black America Negro Life & Character." With portrait of Salsbury in derby hat. Box 37, folder 1151. circa 1895. https://collections.library.yale.edu/catalog/9999043.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 37, folder 1151"])(circa 1895)[Courier Lith. Co. Buffalo Advertising envelope. "Nate Salsbury's Black America Negro Life & Character." With portrait of Salsbury in derby hat]. https://collections.library.yale.edu/catalog/9999043.