APA (7th ed.) Citation

McElroy, C. H., & Lienhart, D. A. (1993). Rock for erosion control. ASTM.

Chicago Style (17th ed.) Citation

McElroy, Charles H., and David A. Lienhart. Rock for Erosion Control. Philadelphia, PA: ASTM, 1993.

MLA (8th ed.) Citation

McElroy, Charles H., and David A. Lienhart. Rock for Erosion Control. ASTM, 1993.