Cite

Dummer, Oscar

MLA

Johnson, James Weldon, 1871-1938. Dummer, Oscar. Box 103, folder 861. 1886, circa 1890-1900. https://collections.library.yale.edu/catalog/2110137.

APA, 6th edition

Johnson, James Weldon, 1871-1938. (["Box 103, folder 861"])(1886, circa 1890-1900)[Dummer, Oscar]. https://collections.library.yale.edu/catalog/2110137.