APA aipamena

Rothman, L., Perry, D., Buliung, R., Macarthur, C., To, T., Macpherson, A., . . . Howard, A. (2015). Do school crossing guards make crossing roads safer? A quasi-experimental study of pedestrian-motor vehicle collisions in Toronto, Canada. BMC Public Health.

Chicago Style aipamena

Rothman, Linda, Daniel Perry, Ron Buliung, Colin Macarthur, Teresa To, Alison Macpherson, Kristian Larsen, and Andrew Howard. "Do School Crossing Guards Make Crossing Roads Safer? A Quasi-experimental Study of Pedestrian-motor Vehicle Collisions in Toronto, Canada." BMC Public Health 2015.

MLA aipamena

Rothman, Linda, et al. "Do School Crossing Guards Make Crossing Roads Safer? A Quasi-experimental Study of Pedestrian-motor Vehicle Collisions in Toronto, Canada." BMC Public Health 2015.