Cita APA (7a ed.)

Young, N. D., Michael, C. N., & Smolinski, J. A. (2019). Securing the schoolyard: Protocols that promote safety and positive student behaviors. Rowman & Littlefield.

Cita Chicago Style (17a ed.)

Young, Nicholas D., Christine Nevada Michael, y Jennifer A. Smolinski. Securing the Schoolyard: Protocols That Promote Safety and Positive Student Behaviors. Lanham Boulder $New York London: Rowman & Littlefield, 2019.

Cita MLA (8a ed.)

Young, Nicholas D., et al. Securing the Schoolyard: Protocols That Promote Safety and Positive Student Behaviors. Rowman & Littlefield, 2019.