Letters
MLA
Eaker, John P., d. 1914. Letters. Box 1 | Folder 2. 1891 Mar 29. https://collections.library.yale.edu/catalog/16712272.
APA, 6th edition
Eaker, John P., d. 1914. (["Box 1 | Folder 2"])(1891 Mar 29)[Letters]. https://collections.library.yale.edu/catalog/16712272.