[Breathing-- I will breathe through my nose, closing my mouth.] [graphic]
MLA
[Breathing-- I Will Breathe through My Nose, Closing My Mouth.] [Graphic]. Department of Education, 0AD. https://collections.library.yale.edu/catalog/16047373.
APA, 6th edition
[Breathing-- I will breathe through my nose, closing my mouth.] [graphic]. (0 C.E.). [Posters, Lithographs]. Department of Education. https://collections.library.yale.edu/catalog/16047373.