Cita APA (7a ed.)

Timm, P., Romer, B., Bunn, K., Kumaraguruparan, P., & Studholme, A. (2015). School security: How to build and strengthen a school safety program. Elsevier : BH.

Cita Chicago Style (17a ed.)

Timm, Paul, Brian Romer, Keira Bunn, Priya Kumaraguruparan, y Alan Studholme. School Security: How to Build and Strengthen a School Safety Program. Oxford, England ; Waltham, Maryland: Elsevier : BH, 2015.

Cita MLA (8a ed.)

Timm, Paul, et al. School Security: How to Build and Strengthen a School Safety Program. Elsevier : BH, 2015.