Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.