Cite

Susan Graybill (3 years, five months) and Henry Griggs Graybill (1 year, 9.5 months)

MLA

Susan Graybill (3 Years, Five Months) and Henry Griggs Graybill (1 Year, 9.5 Months). 1920. https://collections.library.yale.edu/catalog/12375139.

APA, 6th edition

Susan Graybill (3 years, five months) and Henry Griggs Graybill (1 year, 9.5 months). (1920). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12375139.