MLA

Pratt, Richard Henry, 1840-1924. Special orders, 12 items. Box 14, folder 498. 1863-69. https://collections.library.yale.edu/catalog/16701085.

APA, 6th edition

Pratt, Richard Henry, 1840-1924. (["Box 14, folder 498"])(1863-69)[Special orders, 12 items]. https://collections.library.yale.edu/catalog/16701085.