Cita APA (7a ed.)

Kerr, M. M. (2009). School crisis prevention and intervention. Pearson Education.

Cita Chicago Style (17a ed.)

Kerr, Mary Margaret. School Crisis Prevention and Intervention. Upper Saddle River, NJ: Pearson Education, 2009.

Cita MLA (8a ed.)

Kerr, Mary Margaret. School Crisis Prevention and Intervention. Pearson Education, 2009.