APA (7th ed.) Citation

Scott, C., & Kolker, A. (2019). Rare earth elements in coal and coal fly ash. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Scott, Clint, and Allan Kolker. Rare Earth Elements in Coal and Coal Fly Ash. Reston, VA: U.S. Department of the Interior, U.S. Geological Survey, 2019.

MLA (8th ed.) Citation

Scott, Clint, and Allan Kolker. Rare Earth Elements in Coal and Coal Fly Ash. U.S. Department of the Interior, U.S. Geological Survey, 2019.