Cita APA (7a ed.)

Blauvelt, P. D., & Vestermark, S. D. (1977). School security: How to develop and effective program for safe learning in elementary and secondary schools. Institute for Reduction of Crime.

Cita Chicago Style (17a ed.)

Blauvelt, Peter D., y Seymour D. Vestermark. School Security: How to Develop and Effective Program for Safe Learning in Elementary and Secondary Schools. College Park, Md: Institute for Reduction of Crime, 1977.

Cita MLA (8a ed.)

Blauvelt, Peter D., y Seymour D. Vestermark. School Security: How to Develop and Effective Program for Safe Learning in Elementary and Secondary Schools. Institute for Reduction of Crime, 1977.