Cambrian Geology and Paleontology II: No 9--New York Potsdam-Hoyt fauna

Chicago citation style
Walcott, Charles D. Cambrian Geology and Paleontology II: No 9--New York Potsdam-Hoyt fauna. 1912. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_145158&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
Walcott, Charles D, (1912) Cambrian Geology and Paleontology II: No 9--New York Potsdam-Hoyt fauna. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_145158&repo=DPLA
MLA citation style
Walcott, Charles D. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_145158&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.