Cita APA (7th ed.)

Heyer, P. (1988). Communications and history: Theories of media, knowledge, and civilization. Greenwood Press.

Cita Chicago (17th ed.)

Heyer, Paul. Communications and History: Theories of Media, Knowledge, and Civilization. New York: Greenwood Press, 1988.

Cita MLA (9th ed.)

Heyer, Paul. Communications and History: Theories of Media, Knowledge, and Civilization. Greenwood Press, 1988.