APA (7th ed.) Citation

(1999). Flexibility in meeting tier 2 standards. United States Environmental Protection Agency, Air and Radiation, Office of Mobile Sources.

Chicago Style (17th ed.) Citation

Flexibility in Meeting Tier 2 Standards. Ann Arbor, MI: United States Environmental Protection Agency, Air and Radiation, Office of Mobile Sources, 1999.

MLA (9th ed.) Citation

Flexibility in Meeting Tier 2 Standards. United States Environmental Protection Agency, Air and Radiation, Office of Mobile Sources, 1999.

Warning: These citations may not always be 100% accurate.