Cite

"Copy of a translation into Chinese of the President's letter to the Emperor"

MLA

Parker, Peter, 1804-1888. "Copy of a translation into Chinese of the President's letter to the Emperor". Box 1, folder 13. n.d.. https://collections.library.yale.edu/catalog/16808605.

APA, 6th edition

Parker, Peter, 1804-1888. (["Box 1, folder 13"])(n.d.)["Copy of a translation into Chinese of the President's letter to the Emperor"]. https://collections.library.yale.edu/catalog/16808605.