MLA

Edwards, Jonathan, 1703-1758. Communion meditations. Box 24, folder 1354. n.d.. https://collections.library.yale.edu/catalog/10938682.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 24, folder 1354"])(n.d.)[Communion meditations]. https://collections.library.yale.edu/catalog/10938682.