MLA

Backus, Isaac, 1724-1806. A reply to a piece wrote last year, by Mr. Israel Holly, ... , entitled "The New-Testament interpretation of the Old, relative to infant baptism" wherein another short attempt is made toward bringing that controversy to a happy issue. Box 5, folder 7. 1772. https://collections.library.yale.edu/catalog/33530850.

APA, 6th edition

Backus, Isaac, 1724-1806. (["Box 5, folder 7"])(1772)[A reply to a piece wrote last year, by Mr. Israel Holly, ... , entitled "The New-Testament interpretation of the Old, relative to infant baptism" wherein another short attempt is made toward bringing that controversy to a happy issue]. https://collections.library.yale.edu/catalog/33530850.