Telephone System - RCA electron tubes
MLA
Thompson, Darrell. "Telephone System - RCA electron tubes." Stuart A. Rose Manuscript, Archives, and Rare Book Library. 1964, https://digital.library.emory.edu/purl/501pg4f5dj-cor.
APA
Thompson, Darrell (1964). Telephone System - RCA electron tubes. Retrieved from https://digital.library.emory.edu/purl/501pg4f5dj-cor
Chicago
Thompson, Darrell. "Telephone System - RCA electron tubes." 1964. August 9, 2025. https://digital.library.emory.edu/purl/501pg4f5dj-cor.
