Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Welch, Susan, y John C. Comer. Public Opinion: Its Formation, Measurement, and Impact. Palo Alto [California]: Mayfield Publishing Company, 1975.

Cita MLA (9a ed.)

Welch, Susan, y John C. Comer. Public Opinion: Its Formation, Measurement, and Impact. Mayfield Publishing Company, 1975.