MLA

Douglas, Norman, 1868-1952. Legal papers. Box 38, folder 602. 1864-1874. https://collections.library.yale.edu/catalog/16454726.

APA, 6th edition

Douglas, Norman, 1868-1952. (["Box 38, folder 602"])(1864-1874)[Legal papers]. https://collections.library.yale.edu/catalog/16454726.