एपीए उद्धरण

Heyer, P. a. U. (2019). Communication in History: Stone Age Symbols to Social Media (Seventh Edition.). Routledge.

शिकागो स्टाइल उद्धरण

Heyer, Paul and Urquhart. Communication in History: Stone Age Symbols to Social Media. Seventh Edition. New York: Routledge, 2019.

एमएलए उद्धरण

Heyer, Paul and Urquhart. Communication in History: Stone Age Symbols to Social Media. Seventh Edition. Routledge, 2019.