GCA Corporation. Technology Division. (1972). Transportation controls to reduce motor vehicle emissions in Salt Lake City, Utah. Environmental Protection Agency.
Chicago Style (17th ed.) CitationGCA Corporation. Technology Division. Transportation Controls to Reduce Motor Vehicle Emissions in Salt Lake City, Utah. Research Triangle Park, N.C.: Environmental Protection Agency, 1972.
MLA (9th ed.) CitationGCA Corporation. Technology Division. Transportation Controls to Reduce Motor Vehicle Emissions in Salt Lake City, Utah. Environmental Protection Agency, 1972.
Warning: These citations may not always be 100% accurate.