APA (7th ed.) Citation

Warner-Selph, M. A. (1982). Filter extraction procedures and results for various EPA/ECTD particulate samples. United States Environmental Protection Agency, Office of Mobile Source Air Pollution Control, Emission Control Technology Division.

Chicago Style (17th ed.) Citation

Warner-Selph, Mary Ann. Filter Extraction Procedures and Results for Various EPA/ECTD Particulate Samples. Ann Arbor, Michigan: United States Environmental Protection Agency, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, 1982.

MLA (9th ed.) Citation

Warner-Selph, Mary Ann. Filter Extraction Procedures and Results for Various EPA/ECTD Particulate Samples. United States Environmental Protection Agency, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, 1982.