APA (7th ed.) Citation

Doughty, D. A., & Dwiggins, C. W., Jr. (1973). Characterization of the valence state of iron in coal dust. United States Department of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Doughty, Daryl A., and C. W. Dwiggins, Jr. Characterization of the Valence State of Iron in Coal Dust. [Washington, D.C.]: United States Department of the Interior, Bureau of Mines, 1973.

MLA (9th ed.) Citation

Doughty, Daryl A., and C. W. Dwiggins, Jr. Characterization of the Valence State of Iron in Coal Dust. United States Department of the Interior, Bureau of Mines, 1973.