APA (7th ed.) Citation

Haj-Ismail, I. A., Hinojosa, J. H., Safwat, N. K., & Woods, D. L. (1989). The effect of roadway surface conditions on traffic speed during day and night operations.

Chicago Style (17th ed.) Citation

Haj-Ismail, Imad Adel, Jesus H. Hinojosa, Nabil K. Safwat, and Donald L. Woods. The Effect of Roadway Surface Conditions on Traffic Speed During Day and Night Operations. 1989.

MLA (9th ed.) Citation

Haj-Ismail, Imad Adel, et al. The Effect of Roadway Surface Conditions on Traffic Speed During Day and Night Operations. 1989.