Cite

Knopf, Alfred A.

MLA

Johnson, James Weldon, 1871-1938. Knopf, Alfred A.. Box 12, folder 264. 1925-37, undated. https://collections.library.yale.edu/catalog/17235678.

APA, 6th edition

Johnson, James Weldon, 1871-1938. (["Box 12, folder 264"])(1925-37, undated)[Knopf, Alfred A.]. https://collections.library.yale.edu/catalog/17235678.