Diaries of European trip
MLA
Weir, John F. (John Ferguson), 1841-1926. Diaries of European trip. Box 11, folder 5. 1869. https://collections.library.yale.edu/catalog/10021326.
APA, 6th edition
Weir, John F. (John Ferguson), 1841-1926. (["Box 11, folder 5"])(1869)[Diaries of European trip]. https://collections.library.yale.edu/catalog/10021326.