Modern junior mathematics

Chicago citation style
Gugle, Marie. Modern junior mathematics. [c1920]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207628. (Accessed October 17, 2018.)
APA citation style
Gugle, Marie, ([c1920]) Modern junior mathematics. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207628
MLA citation style
Gugle, Marie. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000207628>.
Note: These citations are programmatically generated and may be incomplete.