Cite

Paul Herman "3 years old"

MLA

Williams, William Carlos, 1883-1963. Paul Herman "3 years old". Box 71, folder 1494-1495. circa 1900. https://collections.library.yale.edu/catalog/2053534.

APA, 6th edition

Williams, William Carlos, 1883-1963. (["Box 71, folder 1494-1495"])(circa 1900)[Paul Herman "3 years old"]. https://collections.library.yale.edu/catalog/2053534.