Students (sub-freshman class) in education class (Mr. Graybill)
MLA
Students (Sub-Freshman Class) in Education Class (Mr. Graybill). 0AD. https://collections.library.yale.edu/catalog/12374492.
APA, 6th edition
Students (sub-freshman class) in education class (Mr. Graybill). (0 C.E.). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12374492.