Gaya APA

Swanson, C, P., Smith, D, E. (NULL). History of mathematics Vol.II special topics of elementary mathematics . New: New York: Dover Publications; 1925..

Gaya MLA

Swanson, Carl, P.., Smith, David, Eugene. "History of mathematics Vol.II special topics of elementary mathematics". New: New York: Dover Publications; 1925., NULL. Text.