Cite

[Eating 2-- I chew food thoroughly and swallow slowly when I eat.] [graphic]

MLA

[Eating 2-- I Chew Food Thoroughly and Swallow Slowly When I Eat.] [Graphic]. Department of Education, 0AD. https://collections.library.yale.edu/catalog/16047337.

APA, 6th edition

[Eating 2-- I chew food thoroughly and swallow slowly when I eat.] [graphic]. (0 C.E.). [Posters, Lithographs]. Department of Education. https://collections.library.yale.edu/catalog/16047337.