Casey, Ralph D.. "Communication Channels". Propaganda, Communication and Public Opinion, Princeton: Princeton University Press, 1946, pp. 4-30. https://doi.org/10.1515/9781400878642-004
Casey, R. (1946). Communication Channels. In Propaganda, Communication and Public Opinion (pp. 4-30). Princeton: Princeton University Press. https://doi.org/10.1515/9781400878642-004
Casey, R. 1946. Communication Channels. Propaganda, Communication and Public Opinion. Princeton: Princeton University Press, pp. 4-30. https://doi.org/10.1515/9781400878642-004
Casey, Ralph D.. "Communication Channels" In Propaganda, Communication and Public Opinion, 4-30. Princeton: Princeton University Press, 1946. https://doi.org/10.1515/9781400878642-004
Casey R. Communication Channels. In: Propaganda, Communication and Public Opinion. Princeton: Princeton University Press; 1946. p.4-30. https://doi.org/10.1515/9781400878642-004