Smith, Bruce Lannes and Lasswell, Harold D.. "Frontmatter". Propaganda, Communication and Public Opinion, Princeton: Princeton University Press, 1946, pp. i-iv. https://doi.org/10.1515/9781400878642-fm
Smith, B. & Lasswell, H. (1946). Frontmatter. In Propaganda, Communication and Public Opinion (pp. i-iv). Princeton: Princeton University Press. https://doi.org/10.1515/9781400878642-fm
Smith, B. and Lasswell, H. 1946. Frontmatter. Propaganda, Communication and Public Opinion. Princeton: Princeton University Press, pp. i-iv. https://doi.org/10.1515/9781400878642-fm
Smith, Bruce Lannes and Lasswell, Harold D.. "Frontmatter" In Propaganda, Communication and Public Opinion, i-iv. Princeton: Princeton University Press, 1946. https://doi.org/10.1515/9781400878642-fm
Smith B, Lasswell H. Frontmatter. In: Propaganda, Communication and Public Opinion. Princeton: Princeton University Press; 1946. p.i-iv. https://doi.org/10.1515/9781400878642-fm