American National Standards Institute, & American National Standards Institute. (1972). Graphic symbols for railroad maps and profiles. New York, New York: American Society of Mechanical Engineers.
Chicago Style CitationAmerican National Standards Institute, and American National Standards Institute. Graphic Symbols for Railroad Maps and Profiles. New York, New York: American Society of Mechanical Engineers, 1972.
MLA CitationAmerican National Standards Institute, and American National Standards Institute. Graphic Symbols for Railroad Maps and Profiles. New York, New York: American Society of Mechanical Engineers, 1972.
Warning: These citations may not always be 100% accurate.