Radio and electric power supply equipment for schools,
APA Citation
Blom, E. Charles. (1930). Radio and electric power supply equipment for schools. New York city: Teachers college, Columbia university.
MLA Citation
Blom, Edward Charles, 1891-. Radio And Electric Power Supply Equipment for Schools. New York city: Teachers college, Columbia university, 1930.
Warning: These citations may not always be complete (especially for serials).