APA (7th ed.) Citation

Gompf, H. L. (1971). Evaluation of the emission reduction with the Perfect Circle Retronox speed controlled EGR system. Mobile Source Pollution Control Program, Office of Air Programs, Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Gompf, Henry L. Evaluation of the Emission Reduction with the Perfect Circle Retronox Speed Controlled EGR System. [Ann Arbor, Mich.]: Mobile Source Pollution Control Program, Office of Air Programs, Environmental Protection Agency, 1971.

MLA (9th ed.) Citation

Gompf, Henry L. Evaluation of the Emission Reduction with the Perfect Circle Retronox Speed Controlled EGR System. Mobile Source Pollution Control Program, Office of Air Programs, Environmental Protection Agency, 1971.