MLA

Schlaikjer, Jes Wilhelm, 1897-, artist. Service above self. Medical Department, United States Army / [graphic]. https://collections.library.yale.edu/catalog/16046924.

APA, 6th edition

Schlaikjer, Jes Wilhelm, 1897-, artist. [Service above self. Medical Department, United States Army / [graphic]]. https://collections.library.yale.edu/catalog/16046924.