APA (7th ed.) Citation

Ashby, H. A. (1971). Exhaust emissions from a 25-passenger internal combustion engine powered gasoline fueled bus. Test and Evaluation Branch, Division of Emission Control Technology, Mobile Source Pollution Control Program, Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Ashby, H. Anthony. Exhaust Emissions from a 25-passenger Internal Combustion Engine Powered Gasoline Fueled Bus. [Ann Arbor, Mich.]: Test and Evaluation Branch, Division of Emission Control Technology, Mobile Source Pollution Control Program, Environmental Protection Agency, 1971.

MLA (9th ed.) Citation

Ashby, H. Anthony. Exhaust Emissions from a 25-passenger Internal Combustion Engine Powered Gasoline Fueled Bus. Test and Evaluation Branch, Division of Emission Control Technology, Mobile Source Pollution Control Program, Environmental Protection Agency, 1971.