Kubala, T. A., Perzak, F. J., & Litchfield, E. L. (1981). Electric ignition of lycopodium powder in a modified Hartmann apparatus. U.S. Dept. of the Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationKubala, T. A., F. J. Perzak, and E. L. Litchfield. Electric Ignition of Lycopodium Powder in a Modified Hartmann Apparatus. Pgh. [i.e. Pittsburgh], Pa.: U.S. Dept. of the Interior, Bureau of Mines, 1981.
MLA (9th ed.) CitationKubala, T. A., et al. Electric Ignition of Lycopodium Powder in a Modified Hartmann Apparatus. U.S. Dept. of the Interior, Bureau of Mines, 1981.
Warning: These citations may not always be 100% accurate.