Cite

For 1946, let's pledge safe walking [graphic]

MLA

Epperly, artist. For 1946, Let's Pledge Safe Walking [Graphic]. National Safety Council, Inc., Chicago, Ill, 0AD. https://collections.library.yale.edu/catalog/16049004.

APA, 6th edition

Epperly, artist. (0 C.E.). For 1946, let's pledge safe walking [graphic] [Offset lithographs, Posters]. National Safety Council, Inc., Chicago, Ill. https://collections.library.yale.edu/catalog/16049004.