Cite

It's an old American custom: keep clean. Take a bath every day you can. [graphic]

MLA

It's an Old American Custom: Keep Clean. Take a Bath Every Day You Can. [Graphic]. United States War Department, United States Government Printing Office, 1944. https://collections.library.yale.edu/catalog/16046904.

APA, 6th edition

It's an old American custom: keep clean. Take a bath every day you can. [graphic]. (1944). [Posters, War posters]. United States War Department, United States Government Printing Office. https://collections.library.yale.edu/catalog/16046904.