APA (7th ed.) Citation

May, A., Cobble, J. R., & Sweeney, J. W. (1985). Assessment of phosphogypsum as a constituent of aggregate material. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

May, Alexander, J. R. Cobble, and John W. Sweeney. Assessment of Phosphogypsum as a Constituent of Aggregate Material. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1985.

MLA (9th ed.) Citation

May, Alexander, et al. Assessment of Phosphogypsum as a Constituent of Aggregate Material. U.S. Dept. of the Interior, Bureau of Mines, 1985.