MLA

Children at Play. William T. Truman, 0AD. https://collections.library.yale.edu/catalog/10171929.

APA, 6th edition

Children at play. (0 C.E.). [Children's literature, Covers (Illustrations), illustrations (AAT), poems (AAT), woodcuts (AAT)]. William T. Truman, https://collections.library.yale.edu/catalog/10171929.