A new map of Ireland ... by John Cary, Engraver.
MLA
A New Map of Ireland ... by John Cary, Engraver. J. Cary, 1799. https://collections.library.yale.edu/catalog/15352119.
APA, 6th edition
A new map of Ireland ... by John Cary, Engraver. (1799). [Maps]. J. Cary, https://collections.library.yale.edu/catalog/15352119.