Citazione Stile APA (7a Edizione)

Welch, S., & Comer, J. (1975). Public opinion: Its formation, measurement, and impact. Mayfield.

Citazione stile Chigago Style (17a edizione)

Welch, Susan, e John Comer. Public Opinion: Its Formation, Measurement, and Impact. Palo Alto, Calif: Mayfield, 1975.

Citatione MLA (9a ed.)

Welch, Susan, e John Comer. Public Opinion: Its Formation, Measurement, and Impact. Mayfield, 1975.