Cita APA (7a ed.)

Cortina, J., Elder, J., & Gonnet, K. (1995). Opening doors: Understanding college reading. McGraw-Hill.

Cita Chicago Style (17a ed.)

Cortina, Joe, Janet Elder, y Katherine Gonnet. Opening Doors: Understanding College Reading. New York: McGraw-Hill, 1995.

Cita MLA (8a ed.)

Cortina, Joe, et al. Opening Doors: Understanding College Reading. McGraw-Hill, 1995.