Douglas, G. H. (1999). The golden age of the newspaper. Greenwood Press.
Cita Chicago Style (17a ed.)Douglas, George H. The Golden Age of the Newspaper. Westport [etc.]: Greenwood Press, 1999.
Cita MLA (9a ed.)Douglas, George H. The Golden Age of the Newspaper. Greenwood Press, 1999.
Precaución: Estas citas no son 100% exactas.