Cite

Collected papers

MLA

Backus, Isaac, 1724-1806. Collected papers. box 9, folder 1. 1770 May. https://collections.library.yale.edu/catalog/33567021.

APA, 6th edition

Backus, Isaac, 1724-1806. (["box 9, folder 1"])(1770 May)[Collected papers]. https://collections.library.yale.edu/catalog/33567021.