APA-viite

Olsen, C. S., Thomas, A. M., Singleton, M., Gaichas, A. M., Smith, T. J., Smith, G. A., . . . Cook, L. J. (2016). Motorcycle helmet effectiveness in reducing head, face and brain injuries by state and helmet law. Inj Epidemiol.

Chicago-tyylinen lähdeviittaus

Olsen, Cody S., et al. "Motorcycle Helmet Effectiveness in Reducing Head, Face and Brain Injuries By State and Helmet Law." Inj Epidemiol 2016.

MLA-viite

Olsen, Cody S., et al. "Motorcycle Helmet Effectiveness in Reducing Head, Face and Brain Injuries By State and Helmet Law." Inj Epidemiol 2016.

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