MLA

Edwards, Jonathan, 1703-1758. 5. 1752 Feb 18. JE. First part of a letter draft to Andrew Oliver; on verso, letter draft ot Andrew Oliver, 19 Feb 1752. On letter cover to JE at Stockbridge.. Box 6, folder 208. 1752 February 18. https://collections.library.yale.edu/catalog/33306955.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 6, folder 208"])(1752 February 18)[5. 1752 Feb 18. JE. First part of a letter draft to Andrew Oliver; on verso, letter draft ot Andrew Oliver, 19 Feb 1752. On letter cover to JE at Stockbridge.]. https://collections.library.yale.edu/catalog/33306955.