Citazione Stile APA (7a Edizione)

Alvarez, R. M., & Brehm, J. (2002). Hard choices, easy answers: Values, information, and american public opinion. Princeton University Press.

Citazione stile Chigago Style (17a edizione)

Alvarez, R. Michael, e John Brehm. Hard Choices, Easy Answers: Values, Information, and American Public Opinion. Princeton: Princeton University Press, 2002.

Citatione MLA (9a ed.)

Alvarez, R. Michael, e John Brehm. Hard Choices, Easy Answers: Values, Information, and American Public Opinion. Princeton University Press, 2002.