Steen, J. A., Collins, W. E., & Lewis, M. F. (1973). Utility of several clinical tests of color defective vision in predicting daytime and nighttime performance with the aviation signal light gun. Office of Aviation Medicine, Federal Aviation Administration.
Chicago Style (17th ed.) CitationSteen, Jo Ann, William Edward Collins, and Mark F. Lewis. Utility of Several Clinical Tests of Color Defective Vision in Predicting Daytime and Nighttime Performance with the Aviation Signal Light Gun. Washington, D.C.: Office of Aviation Medicine, Federal Aviation Administration, 1973.
MLA (9th ed.) CitationSteen, Jo Ann, et al. Utility of Several Clinical Tests of Color Defective Vision in Predicting Daytime and Nighttime Performance with the Aviation Signal Light Gun. Office of Aviation Medicine, Federal Aviation Administration, 1973.