Outlines of the Physical and Political Divisions of South America: delineated by A. Arrowsmith partly from scarse and Original Documents, published before the year 1806 corrected from accurate Astronomical observations to 1810.
MLA
Outlines of the Physical and Political Divisions of South America: Delineated by A. Arrowsmith Partly from Scarse and Original Documents, Published before the Year 1806 Corrected from Accurate Astronomical Observations to 1810. A. Arrowsmith, 1811. https://collections.library.yale.edu/catalog/15821012.
APA, 6th edition
Outlines of the Physical and Political Divisions of South America: delineated by A. Arrowsmith partly from scarse and Original Documents, published before the year 1806 corrected from accurate Astronomical observations to 1810. (1811). [Maps]. A. Arrowsmith, https://collections.library.yale.edu/catalog/15821012.