APA (7th ed.) Citation

Sierra Research (Firm). (1988). Analytical support for emission factors development and air quality assessment. U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Sierra Research (Firm). Analytical Support for Emission Factors Development and Air Quality Assessment. Ann Arbor, Michigan: U.S. Environmental Protection Agency, 1988.

MLA (9th ed.) Citation

Sierra Research (Firm). Analytical Support for Emission Factors Development and Air Quality Assessment. U.S. Environmental Protection Agency, 1988.