APA (7th ed.) Citation

Doss, K. T., & Shepherd, C. D. (2015). Active shooter: Preparing for and responding to a growing threat. Elsevier.

Chicago Style (17th ed.) Citation

Doss, Kevin T., and C. David Shepherd. Active Shooter: Preparing for and Responding to a Growing Threat. Heidelberg: Elsevier, 2015.

MLA (8th ed.) Citation

Doss, Kevin T., and C. David Shepherd. Active Shooter: Preparing for and Responding to a Growing Threat. Elsevier, 2015.