Steen, J. A., & Lewis, M. F. (1971). Color defective vision and day and night recognition of aviation color signal light flashes. Office of Aviation Medicine, Federal Aviation Administration.
Chicago Style (17th ed.) CitationSteen, Jo Ann, and Mark F. Lewis. Color Defective Vision and Day and Night Recognition of Aviation Color Signal Light Flashes. Washington, D.C.: Office of Aviation Medicine, Federal Aviation Administration, 1971.
MLA (9th ed.) CitationSteen, Jo Ann, and Mark F. Lewis. Color Defective Vision and Day and Night Recognition of Aviation Color Signal Light Flashes. Office of Aviation Medicine, Federal Aviation Administration, 1971.
Warning: These citations may not always be 100% accurate.