An overland journey round the world, during the years 1841 and 1842

Chicago citation style
Simpson, George, Sir, 1786 or 7-1860. An overland journey round the world, during the years 1841 and 1842. 1847. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008588368. (Accessed December 10, 2018.)
APA citation style
Simpson, George, Sir, 1786 or 7-1860, (1847) An overland journey round the world, during the years 1841 and 1842. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008588368
MLA citation style
Simpson, George, Sir, 1786 or 7-1860. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/008588368>.
Note: These citations are programmatically generated and may be incomplete.