The teaching of modern foreign languages in the secondary schools :
French--German--Spanish--Italian ... /
Lester K. Ade, superintendent of public instruction. Commonwealth of Pennsylvania, Department of public instruction, Harrisburg, 1939.

APA Citation

Pennsylvania. Dept. of Public Instruction. (1939). The teaching of modern foreign languages in the secondary schools: French--German--Spanish--Italian .... [Philadelphia: Dunlap printing company].

MLA Citation

Pennsylvania. Dept. of Public Instruction. The Teaching of Modern Foreign Languages In the Secondary Schools: French--German--Spanish--Italian .... [Philadelphia: Dunlap printing company], 1939.

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