MLA

Berssenbrugge, Mei-mei, 1947-. Human Anatomy Coloring Book. Box 16. undated. https://collections.library.yale.edu/catalog/32236949.

APA, 6th edition

Berssenbrugge, Mei-mei, 1947-. (["Box 16"])(undated)[Human Anatomy Coloring Book]. https://collections.library.yale.edu/catalog/32236949.