MLA

McAdoo, Orpheus M. (Orpheus Myron), 1858-1900. Miscellaneous. Box 4, folder 48. circa 1850-1966. https://collections.library.yale.edu/catalog/17028280.

APA, 6th edition

McAdoo, Orpheus M. (Orpheus Myron), 1858-1900. (["Box 4, folder 48"])(circa 1850-1966)[Miscellaneous]. https://collections.library.yale.edu/catalog/17028280.