Cita APA (7a ed.)

Jones, B., Nash, E., & Heinerikson, J. (2000). Guns and chewing gum - The perceptions and reality of problem behaviours in public schools. School psychology international, 21(1), 106-112. doi:10.1177/0143034300211008

Cita Chicago Style (17a ed.)

Jones, B., Erin Nash, y Jackie Heinerikson. "Guns and Chewing Gum - The Perceptions and Reality of Problem Behaviours in Public Schools." School Psychology International 21, no. 1 (2000): 106-112. https://doi.org/10.1177/0143034300211008.

Cita MLA (8a ed.)

Jones, B., et al. "Guns and Chewing Gum - The Perceptions and Reality of Problem Behaviours in Public Schools." School Psychology International, vol. 21, no. 1, 2000, pp. 106-112, https://doi.org/10.1177/0143034300211008.