Good, P. C., Goff, T. N., & Daellenbach, C. B. (1981). Direct preparation of phosphoric acid from intermediate-grade western phosphatic shale. U.S. Dept. of the Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationGood, P. C., T. N. Goff, and C. B. Daellenbach. Direct Preparation of Phosphoric Acid from Intermediate-grade Western Phosphatic Shale. Pittsburgh, Panama: U.S. Dept. of the Interior, Bureau of Mines, 1981.
MLA (9th ed.) CitationGood, P. C., et al. Direct Preparation of Phosphoric Acid from Intermediate-grade Western Phosphatic Shale. U.S. Dept. of the Interior, Bureau of Mines, 1981.
Warning: These citations may not always be 100% accurate.