Cita APA (7a ed.)

Alvarez, R. M., & Brehm, J. (2002). Hard Choices, Easy Answers: Values, Information, and American Public Opinion. Princeton University Press.

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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