Outline of the geology of the globe, and of the United States in particular: with two geological maps, and sketches of characteristic American fossils

Chicago citation style
Hitchcock, Edward, 1793-1864. Outline of the geology of the globe, and of the United States in particular: with two geological maps, and sketches of characteristic American fossils. 1856. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006223372. (Accessed November 21, 2018.)
APA citation style
Hitchcock, Edward, 1793-1864, (1856) Outline of the geology of the globe, and of the United States in particular: with two geological maps, and sketches of characteristic American fossils. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006223372
MLA citation style
Hitchcock, Edward, 1793-1864. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006223372>.
Note: These citations are programmatically generated and may be incomplete.