Cita APA (7a ed.)

Corey, G., & Corey, M. S. (1990). I never knew I had a choice (4th.ed.). Brooks/Cole.

Cita Chicago Style (17a ed.)

Corey, Gerald, y Marianne Schneider Corey. I Never Knew I Had a Choice. 4th.ed. Pacific Grove: Brooks/Cole, 1990.

Cita MLA (9a ed.)

Corey, Gerald, y Marianne Schneider Corey. I Never Knew I Had a Choice. 4th.ed. Brooks/Cole, 1990.