A map of lands purchased of the state of Georgia in 1789, by the South Carolina Yazou Company, by the Virginia Yazou Company, and by the Tennessee Company / sketched from a map of Zachariah Coxe's Esq., who made it from an actual survey of these counties; this draught, although coarsely done, is exact, and consonant the scale adopted by the said Coxe.
MLA
A Map of Lands Purchased of the State of Georgia in 1789, by the South Carolina Yazou Company, by the Virginia Yazou Company, and by the Tennessee Company / Sketched from a Map of Zachariah Coxe's Esq., Who Made It from an Actual Survey of These Counties; This Draught, Although Coarsely Done, Is Exact, and Consonant the Scale Adopted by the Said Coxe. 0AD. https://collections.library.yale.edu/catalog/16661487.
APA, 6th edition
A map of lands purchased of the state of Georgia in 1789, by the South Carolina Yazou Company, by the Virginia Yazou Company, and by the Tennessee Company / sketched from a map of Zachariah Coxe's Esq., who made it from an actual survey of these counties; this draught, although coarsely done, is exact, and consonant the scale adopted by the said Coxe. (0 C.E.). [Manuscript maps]. https://collections.library.yale.edu/catalog/16661487.