APA (7th ed.) Citation

Hansen, J. S., Kelley, J. E., & Wood, F. W. (1979). Erosion testing of potential valve materials for coal gasification systems. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Hansen, J. S., J. E. Kelley, and F. W. Wood. Erosion Testing of Potential Valve Materials for Coal Gasification Systems. [Washington]: Dept. of the Interior, Bureau of Mines, 1979.

MLA (9th ed.) Citation

Hansen, J. S., et al. Erosion Testing of Potential Valve Materials for Coal Gasification Systems. Dept. of the Interior, Bureau of Mines, 1979.