APA (7th ed.) Citation

International Commission on Illumination. (2001). Retroreflection: Definition and measurement. Commission Internationale de l'Eclairage.

Chicago Style (17th ed.) Citation

International Commission on Illumination. Retroreflection: Definition and Measurement. Vienna: Commission Internationale de l'Eclairage, 2001.

MLA (9th ed.) Citation

International Commission on Illumination. Retroreflection: Definition and Measurement. Commission Internationale de l'Eclairage, 2001.