Fossil Echini of the Panama Canal Zone and Costa Rica

Chicago citation style
Jackson, Robert Tracy. Fossil Echini of the Panama Canal Zone and Costa Rica. 1917. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86141&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
Jackson, Robert Tracy, (1917) Fossil Echini of the Panama Canal Zone and Costa Rica. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86141&repo=DPLA
MLA citation style
Jackson, Robert Tracy. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_86141&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.