APA Citation

Houston, D. J., & Richardson, L. E. (2007). Motorcycle Safety and the Repeal of Universal Helmet Laws. American Public Health Association.

Citação norma Chicago

Houston, David J., and Lilliard E. Richardson. Motorcycle Safety and the Repeal of Universal Helmet Laws. American Public Health Association, 2007.

MLA Citation

Houston, David J., and Lilliard E. Richardson. Motorcycle Safety and the Repeal of Universal Helmet Laws. American Public Health Association, 2007.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.