Cite

18. No date. JE. "Observations on Phenomena of Nature."

MLA

Edwards, Jonathan, 1703-1758. 18. No date. JE. "Observations on Phenomena of Nature.". Box 3, folder 88. Undated. https://collections.library.yale.edu/catalog/33305636.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 3, folder 88"])(Undated)[18. No date. JE. "Observations on Phenomena of Nature."]. https://collections.library.yale.edu/catalog/33305636.