Chart of the inhabited world, exhibiting the prevailing religion,form of government, degree of civilization, & population of each country / engraved by A. Willard & J.W. Barber.
MLA
Barber, John Warner, 1798-1885, Willard, Asaph, 1786-1880, Woodbridge, William C. (William Channing), 1794-1845. Chart of the inhabited world, exhibiting the prevailing religion,form of government, degree of civilization, & population of each country / engraved by A. Willard & J.W. Barber.. BRBL_00007. 1821?]. https://collections.library.yale.edu/catalog/15234604.
APA, 6th edition
Barber, John Warner, 1798-1885, & Willard, Asaph, 1786-1880, & Woodbridge, William C. (William Channing), 1794-1845. (["BRBL_00007"])(1821?])[Chart of the inhabited world, exhibiting the prevailing religion,form of government, degree of civilization, & population of each country / engraved by A. Willard & J.W. Barber.]. https://collections.library.yale.edu/catalog/15234604.