Recto: Letter; Verso: Syllabary practice
MLA
Kilpatrick, Jack Frederick. Recto: Letter; Verso: Syllabary Practice. 0AD. https://collections.library.yale.edu/catalog/15493296.
APA, 6th edition
Kilpatrick, J. F. (0 C.E.). Recto: Letter; Verso: Syllabary practice. https://collections.library.yale.edu/catalog/15493296.