[Manuscript map of Second Mile Tier, Simsbury, Conn.] Joab Griswold, County Surveyor.
MLA
[Manuscript Map of Second Mile Tier, Simsbury, Conn.] Joab Griswold, County Surveyor. 1786. https://collections.library.yale.edu/catalog/15830195.
APA, 6th edition
[Manuscript map of Second Mile Tier, Simsbury, Conn.] Joab Griswold, County Surveyor. (1786). [Maps]. https://collections.library.yale.edu/catalog/15830195.