APA (7th ed.) Citation

United States. Bureau of Mines & Harak, A. E. (1974). Oil shale retorting in a 150-ton batch-type pilot plant. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

United States. Bureau of Mines and A. E. Harak. Oil Shale Retorting in a 150-ton Batch-type Pilot Plant. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1974.

MLA (9th ed.) Citation

United States. Bureau of Mines and A. E. Harak. Oil Shale Retorting in a 150-ton Batch-type Pilot Plant. U.S. Dept. of the Interior, Bureau of Mines, 1974.