Early RCA stand-up microphone
MLA
Not Available. "Early RCA stand-up microphone." Georgia State University. Special Collections. 1910/1989, http://digitalcollections.library.gsu.edu/cdm/ref/collection/broadcast/id/2141.
APA
Not Available (1910/1989). Early RCA stand-up microphone. Retrieved from http://digitalcollections.library.gsu.edu/cdm/ref/collection/broadcast/id/2141
Chicago
Not Available. "Early RCA stand-up microphone." 1910/1989. July 19, 2025. http://digitalcollections.library.gsu.edu/cdm/ref/collection/broadcast/id/2141.
