Das Buch der Geologie

Chicago citation style
Ludwig, Rudolph. Das Buch der Geologie. 1861. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006223446. (Accessed November 13, 2018.)
APA citation style
Ludwig, Rudolph, (1861) Das Buch der Geologie. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006223446
MLA citation style
Ludwig, Rudolph. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006223446>.
Note: These citations are programmatically generated and may be incomplete.