Cite

Benjamin Franklin: letter to Joshua Babcock; Philadelphia

MLA

Mason, William Smith, 1866-. Benjamin Franklin: letter to Joshua Babcock; Philadelphia. Box 4, folder 237. 1762 December 16. https://collections.library.yale.edu/catalog/33486251.

APA, 6th edition

Mason, William Smith, 1866-. (["Box 4, folder 237"])(1762 December 16)[Benjamin Franklin: letter to Joshua Babcock; Philadelphia]. https://collections.library.yale.edu/catalog/33486251.