A first book in geology. Designed for the use of beginners

Chicago citation style
Shaler, Nathaniel Southgate, 1841-1906. A first book in geology. Designed for the use of beginners. 1891. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006223459. (Accessed December 14, 2018.)
APA citation style
Shaler, Nathaniel Southgate, 1841-1906, (1891) A first book in geology. Designed for the use of beginners. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006223459
MLA citation style
Shaler, Nathaniel Southgate, 1841-1906. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006223459>.
Note: These citations are programmatically generated and may be incomplete.