MLA

Thayer, Scofield, 1889-1982. Rogers, Burke. Box 39, folder 1098. 1920. https://collections.library.yale.edu/catalog/17142321.

APA, 6th edition

Thayer, Scofield, 1889-1982. (["Box 39, folder 1098"])(1920)[Rogers, Burke]. https://collections.library.yale.edu/catalog/17142321.