Cite

This is shock The time to learn first aid is now! [graphic]

MLA

This Is Shock The Time to Learn First Aid Is Now! [Graphic]. War Department, U. S. Government Printing Office, 4AD. https://collections.library.yale.edu/catalog/16048906.

APA, 6th edition

This is shock The time to learn first aid is now! [graphic]. (4 C.E.). [Posters, War posters, Offset lithographs]. War Department, U. S. Government Printing Office. https://collections.library.yale.edu/catalog/16048906.