The Gary schools :
a general account by Abraham Flexner and Frank P. Bachman.

APA Citation

Flexner, A., Bachman, F. Puterbaugh., General Education Board. (1924). The Gary schools: a general account by Abraham Flexner and Frank P. Bachman. New York: General Education Board.

MLA Citation

Flexner, Abraham, 1866-1959, Frank Puterbaugh Bachman, and General Education Board. The Gary Schools: a General Account by Abraham Flexner And Frank P. Bachman. New York: General Education Board, 1924.

Warning: These citations may not always be complete (especially for serials).