MLA

Abney, Mary, Lady, d. 1750. Sermon notes, 1722-1723. 1722-1723. https://collections.library.yale.edu/catalog/2007326.

APA, 6th edition

Abney, Mary, Lady, d. 1750. (1722-1723)[Sermon notes, 1722-1723]. https://collections.library.yale.edu/catalog/2007326.