APA (7th ed.) Citation

Sales, D., Prata, P., & Fazendeiro, P. (2021). Smart Helmet: An Experimental Helmet Security Add-On.

Chicago Style (17th ed.) Citation

Sales, David, Paula Prata, and Paulo Fazendeiro. Smart Helmet: An Experimental Helmet Security Add-On. 2021.

MLA (8th ed.) Citation

Sales, David, et al. Smart Helmet: An Experimental Helmet Security Add-On. 2021.