Cite

Beard, Charles A. Beard, Mary

MLA

Josephson, Matthew, 1899-1978. Beard, Charles A. Beard, Mary. Box 1, folder 19. 1933-48, n.d.. https://collections.library.yale.edu/catalog/17091490.

APA, 6th edition

Josephson, Matthew, 1899-1978. (["Box 1, folder 19"])(1933-48, n.d.)[Beard, Charles A. Beard, Mary]. https://collections.library.yale.edu/catalog/17091490.