Fundamentals of high school mathematics; a textbook designed to follow arithmetic

Chicago citation style
Rugg, Harold Ordway, 1886-1960. Fundamentals of high school mathematics; a textbook designed to follow arithmetic. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207077. (Accessed October 23, 2018.)
APA citation style
Rugg, Harold Ordway, 1886-1960, (1920) Fundamentals of high school mathematics; a textbook designed to follow arithmetic. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207077
MLA citation style
Rugg, Harold Ordway, 1886-1960. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000207077>.
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