MLA

Sears, Matthew Urlwin, approximately 1800- printmaker. "Millions of spiritual creatures walk the earth unseen both when we wake and when we sleep" / [graphic]. [1825?]. https://collections.library.yale.edu/catalog/10970131.

APA, 6th edition

Sears, Matthew Urlwin, approximately 1800- printmaker. ([1825?])["Millions of spiritual creatures walk the earth unseen both when we wake and when we sleep" / [graphic]]. https://collections.library.yale.edu/catalog/10970131.