MLA

Harris, Elizabeth Merwin Page, 1889-1969. Snapshots. 61, folder 1359-1362. 1925-1926, undated. https://collections.library.yale.edu/catalog/10009304.

APA, 6th edition

Harris, Elizabeth Merwin Page, 1889-1969. (["61, folder 1359-1362"])(1925-1926, undated)[Snapshots]. https://collections.library.yale.edu/catalog/10009304.