Cita APA (7a ed.)

Goodstein, P. K., & Verdick, E. (2012). Bystander power: Now with anti-bullying action. Free Spirit Pub..

Cita Chicago Style (17a ed.)

Goodstein, Phyllis Kaufman, y Elizabeth Verdick. Bystander Power: Now with Anti-bullying Action. Minneapolis, MN: Free Spirit Pub., 2012.

Cita MLA (8a ed.)

Goodstein, Phyllis Kaufman, y Elizabeth Verdick. Bystander Power: Now with Anti-bullying Action. Free Spirit Pub., 2012.