APA (7th ed.) Citation

American Institute of Graphic Arts & United States. Department of Transportation. (1993). Symbol signs: The complete study of passenger/pedestrian oriented symbols developed by the American Institute of Graphic Arts for the U.S. Department of Transportation (2nd edition.). American Institute of Graphic Arts.

Chicago Style (17th ed.) Citation

American Institute of Graphic Arts and United States. Department of Transportation. Symbol Signs: The Complete Study of Passenger/pedestrian Oriented Symbols Developed by the American Institute of Graphic Arts for the U.S. Department of Transportation. 2nd edition. New York: American Institute of Graphic Arts, 1993.

MLA (9th ed.) Citation

American Institute of Graphic Arts and United States. Department of Transportation. Symbol Signs: The Complete Study of Passenger/pedestrian Oriented Symbols Developed by the American Institute of Graphic Arts for the U.S. Department of Transportation. 2nd edition. American Institute of Graphic Arts, 1993.