Johnson's Italy [cartographic material].
MLA
Johnson, A. J. (Alvin Jewett), 1827-1884. Johnson's Italy [cartographic material].. BRBL_00202. [1866]. https://collections.library.yale.edu/catalog/15489797.
APA, 6th edition
Johnson, A. J. (Alvin Jewett), 1827-1884. (["BRBL_00202"])([1866])[Johnson's Italy [cartographic material].]. https://collections.library.yale.edu/catalog/15489797.