APA (7th ed.) Citation

LeFevre, E., & Frank, C. (2006). US power plant SO₂ compliance (2006/2007 edition.). Platts.

Chicago Style (17th ed.) Citation

LeFevre, Erin, and Claude Frank. US Power Plant SO₂ Compliance. 2006/2007 edition. [Boulder, Colo.]: Platts, 2006.

MLA (9th ed.) Citation

LeFevre, Erin, and Claude Frank. US Power Plant SO₂ Compliance. 2006/2007 edition. Platts, 2006.

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