Recto: list of names and numbers; verso: numerical calculations
MLA
Kilpatrick, Jack Frederick. Recto: List of Names and Numbers; Verso: Numerical Calculations. 0AD. https://collections.library.yale.edu/catalog/15492348.
APA, 6th edition
Kilpatrick, J. F. (0 C.E.). Recto: list of names and numbers; verso: numerical calculations. https://collections.library.yale.edu/catalog/15492348.