MLA

Parker, Peter, 1804-1888. Prescriptions. 8, folder 10. 1850-1855. https://collections.library.yale.edu/catalog/16808840.

APA, 6th edition

Parker, Peter, 1804-1888. (["8, folder 10"])(1850-1855)[Prescriptions]. https://collections.library.yale.edu/catalog/16808840.