Lasswell, H. D. (1941). Democracy through public opinion. George Banta publishing company.
Cita Chicago Style (17a ed.)Lasswell, Harold D. Democracy Through Public Opinion. [Menasha, Wis.]: George Banta publishing company, 1941.
Cita MLA (9a ed.)Lasswell, Harold D. Democracy Through Public Opinion. George Banta publishing company, 1941.
Precaución: Estas citas no son 100% exactas.