Cita APA (7a ed.)

Werner, E. E., & Smith, R. S. (1989). Vulnerable but invincible: A longitudinal study of resilient children and youth. Adams, Bannister, Cox.

Cita Chicago Style (17a ed.)

Werner, Emmy E., y Ruth S. Smith. Vulnerable but Invincible: A Longitudinal Study of Resilient Children and Youth. New York: Adams, Bannister, Cox, 1989.

Cita MLA (8a ed.)

Werner, Emmy E., y Ruth S. Smith. Vulnerable but Invincible: A Longitudinal Study of Resilient Children and Youth. Adams, Bannister, Cox, 1989.