Cita APA (7a ed.)

Sterling, C. H. (2007). The rise of American radio: II, Radio's changing technology 1920-1945. Routledge.

Cita Chicago Style (17a ed.)

Sterling, Christopher H. The Rise of American Radio: II, Radio's Changing Technology 1920-1945. London ; New York: Routledge, 2007.

Cita MLA (9a ed.)

Sterling, Christopher H. The Rise of American Radio: II, Radio's Changing Technology 1920-1945. Routledge, 2007.