APA (7th ed.) Citation
Langer, W. H., & Glanzman, V. M. (1993). Natural aggregate: Building America's future. U.S. G.P.O. ; Distributed by USGS Map Distribution.
Chicago Style (17th ed.) Citation
Langer, William H., and V. M. Glanzman. Natural Aggregate: Building America's Future. Washington : Denver, CO: U.S. G.P.O. ; Distributed by USGS Map Distribution, 1993.
MLA (9th ed.) Citation
Langer, William H., and V. M. Glanzman. Natural Aggregate: Building America's Future. U.S. G.P.O. ; Distributed by USGS Map Distribution, 1993.
Warning: These citations may not always be 100% accurate.