MLA

McGlashan, E. L. (Everitt Lynn), 1911-1978. Marlen, W. L. Receipts for two slaves sold to John H. Newton. Jackson County, Georgia (H26, H27). Box 1, folder 21-22. 1862 Mar 4. https://collections.library.yale.edu/catalog/33219124.

APA, 6th edition

McGlashan, E. L. (Everitt Lynn), 1911-1978. (["Box 1, folder 21-22"])(1862 Mar 4)[Marlen, W. L. Receipts for two slaves sold to John H. Newton. Jackson County, Georgia (H26, H27)]. https://collections.library.yale.edu/catalog/33219124.