Cite

[Sleep and growth-- 1. Children sleep ten hours [a day]. 2. Adults sleep eight hours.] [graphic]

MLA

[Sleep and Growth-- 1. Children Sleep Ten Hours [a Day]. 2. Adults Sleep Eight Hours.] [Graphic]. Department of Education, 0AD. https://collections.library.yale.edu/catalog/16047382.

APA, 6th edition

[Sleep and growth-- 1. Children sleep ten hours [a day]. 2. Adults sleep eight hours.] [graphic]. (0 C.E.). [Posters, Lithographs]. Department of Education. https://collections.library.yale.edu/catalog/16047382.