MLA

Parker, Peter, 1804-1888. Materials related to Julius Klaproth. 1, folder 14. 1824-1833. https://collections.library.yale.edu/catalog/16808606.

APA, 6th edition

Parker, Peter, 1804-1888. (["1, folder 14"])(1824-1833)[Materials related to Julius Klaproth]. https://collections.library.yale.edu/catalog/16808606.