Broken shell valuable

Chicago citation style
Scheffler, Harold W., 1932. Broken shell valuable. between 1959-1961. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb80215257. (Accessed December 10, 2018.)
APA citation style
Scheffler, Harold W., 1932, (between 1959-1961) Broken shell valuable. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb80215257
MLA citation style
Scheffler, Harold W., 1932. Retrieved from the Digital Public Library of America <https://library.ucsd.edu/dc/object/bb80215257>.
Note: These citations are programmatically generated and may be incomplete.