APA (7th ed.) Citation

International Commission on Illumination. (1995). Maintained night-time visibility of retroreflective road signs. Commission Internationale de l'Éclairage.

Chicago Style (17th ed.) Citation

International Commission on Illumination. Maintained Night-time Visibility of Retroreflective Road Signs. Vienna: Commission Internationale de l'Éclairage, 1995.

MLA (9th ed.) Citation

International Commission on Illumination. Maintained Night-time Visibility of Retroreflective Road Signs. Commission Internationale de l'Éclairage, 1995.