The use of radio in developing instructional programs / Commonwealth of Pennsylvania. Department of Public Instruction.

Chicago citation style
Pennsylvania. Department of Public Instruction, corporate author. The use of radio in developing instructional programs / Commonwealth of Pennsylvania. Department of Public Instruction.. Retrieved from the Digital Public Library of America, https://archive.org/details/useofradioindeve00penn. (Accessed December 12, 2018.)
APA citation style
Pennsylvania. Department of Public Instruction, corporate author, The use of radio in developing instructional programs / Commonwealth of Pennsylvania. Department of Public Instruction.. Retrieved from the Digital Public Library of America, https://archive.org/details/useofradioindeve00penn
MLA citation style
Pennsylvania. Department of Public Instruction, corporate author. Retrieved from the Digital Public Library of America <https://archive.org/details/useofradioindeve00penn>.
Note: These citations are programmatically generated and may be incomplete.