Cita APA (7a ed.)

Sierra, L. R. d. l., & Schachter, J. (2013). The late teenage years: From seventeen to adulthood. Karnac.

Cita Chicago Style (17a ed.)

Sierra, Luis Rodriguez de la, y Joan Schachter. The Late Teenage Years: From Seventeen to Adulthood. London: Karnac, 2013.

Cita MLA (8a ed.)

Sierra, Luis Rodriguez de la, y Joan Schachter. The Late Teenage Years: From Seventeen to Adulthood. Karnac, 2013.