Cita APA (7a ed.)

Ferguson, S. D. (1994). Mastering the public opinion challenge. Irwin.

Cita Chicago Style (17a ed.)

Ferguson, Sherry Devereaux. Mastering the Public Opinion Challenge. Burr Ridge [etc.]: Irwin, 1994.

Cita MLA (9a ed.)

Ferguson, Sherry Devereaux. Mastering the Public Opinion Challenge. Irwin, 1994.