Cita APA (7a ed.)
Hart, R. P. (1975). Public communication. Harper.
Cita estilo Chicago (17a ed.)
Hart, Roderick P. Public Communication. Nueva York, EUA: Harper, 1975.
Cita MLA (9a ed.)
Hart, Roderick P. Public Communication. Harper, 1975.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.