Calhoun, C., Price, P., & Timmer, A. (2002). Understanding September 11: Project coord. by the Social Science Research Council, New York. Craig Calhoun, Paul Price, Ashley Timmer (eds.). The New Press.
Cita Chicago (17th ed.)Calhoun, Craig, Paul Price, i Ashley Timmer. Understanding September 11: Project Coord. by the Social Science Research Council, New York. Craig Calhoun, Paul Price, Ashley Timmer (eds.). New York, NY: The New Press, 2002.
Cita MLA (8th ed.)Calhoun, Craig, et al. Understanding September 11: Project Coord. by the Social Science Research Council, New York. Craig Calhoun, Paul Price, Ashley Timmer (eds.). The New Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.