Cita APA (7a ed.)
Perrucci, R., & Perrucci, C. C. (2009). America at risk: The crisis of hope, trust, and caring. Rowman & Littlefield Publishers.
Cita Chicago Style (17a ed.)
Perrucci, Robert, y Carolyn Cummings Perrucci. America at Risk: The Crisis of Hope, Trust, and Caring. Lanham, Md.: Rowman & Littlefield Publishers, 2009.
Cita MLA (9a ed.)
Perrucci, Robert, y Carolyn Cummings Perrucci. America at Risk: The Crisis of Hope, Trust, and Caring. Rowman & Littlefield Publishers, 2009.
Precaución: Estas citas no son 100% exactas.