American geology, containing a statement of the principles of the science

Chicago citation style
Emmons, Ebenezer, 1799-1863. American geology, containing a statement of the principles of the science. 1854-. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006223370. (Accessed November 12, 2018.)
APA citation style
Emmons, Ebenezer, 1799-1863, (1854-) American geology, containing a statement of the principles of the science. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006223370
MLA citation style
Emmons, Ebenezer, 1799-1863. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006223370>.
Note: These citations are programmatically generated and may be incomplete.