Cita APA (7a ed.)

Roark, J. L., Johnson, M. P., Cohen, P. C., Stage, S., & Hartmann, S. M. (2014). Understanding the American promise: A history (2. edition, combined.). Bedford/St. Martin's.

Cita Chicago Style (17a ed.)

Roark, James L., Michael P. Johnson, Patricia Cline Cohen, Sarah Stage, y Susan M. Hartmann. Understanding the American Promise: A History. 2. edition, combined. Boston, New York: Bedford/St. Martin's, 2014.

Cita MLA (9a ed.)

Roark, James L., et al. Understanding the American Promise: A History. 2. edition, combined. Bedford/St. Martin's, 2014.