Franklin

MLA

Buswell, Guy T, and Charles Hubbard Judd. Summary of Educational Investigations Relating to Arithmetic. Chicago, Ill.: The University of Chicago, 1925.

APA

Buswell, G. T, & Judd, C. Hubbard. (1925). Summary of educational investigations relating to arithmetic. Chicago, Ill.: The University of Chicago.

Chicago

Buswell, Guy T., and Charles Hubbard Judd. Summary of Educational Investigations Relating to Arithmetic. Chicago, Ill.: The University of Chicago, 1925.