Cite

A memento-mori watch presented by Mary Queen of Scots to Mary Seaton / [graphic]

MLA

Smith, Charles John, 1803-1838, printmaker. A memento-mori watch presented by Mary Queen of Scots to Mary Seaton / [graphic]. [1840]. https://collections.library.yale.edu/catalog/15808846.

APA, 6th edition

Smith, Charles John, 1803-1838, printmaker. ([1840])[A memento-mori watch presented by Mary Queen of Scots to Mary Seaton / [graphic]]. https://collections.library.yale.edu/catalog/15808846.