Cite

"Journal from 15th May to 13 July" (J 31)

MLA

Boswell, James, 1740-1795. "Journal from 15th May to 13 July" (J 31). Box 40, folder 961. 1773 May-Aug. https://collections.library.yale.edu/catalog/32501241.

APA, 6th edition

Boswell, James, 1740-1795. (["Box 40, folder 961"])(1773 May-Aug)["Journal from 15th May to 13 July" (J 31)]. https://collections.library.yale.edu/catalog/32501241.