Cita APA (7a ed.)

Angel, R., Lein, L., & Henrici, J. (2006). Poor families in America's health care crisis. Cambridge University Press.

Cita Chicago Style (17a ed.)

Angel, Ronald, Laura Lein, y Jane Henrici. Poor Families in America's Health Care Crisis. Cambridge ; New York: Cambridge University Press, 2006.

Cita MLA (8a ed.)

Angel, Ronald, et al. Poor Families in America's Health Care Crisis. Cambridge University Press, 2006.