Gray, W. S., & Manning, G. P. (1964). Concrete water towers, bunkers, silos, and other elevated structures (4th ed., rev. by G. P. Manning.). Concrete Publications.
Chicago Style (17th ed.) CitationGray, W. S., and George Philip Manning. Concrete Water Towers, Bunkers, Silos, and Other Elevated Structures. 4th ed., rev. by G. P. Manning. London: Concrete Publications, 1964.
MLA (9th ed.) CitationGray, W. S., and George Philip Manning. Concrete Water Towers, Bunkers, Silos, and Other Elevated Structures. 4th ed., rev. by G. P. Manning. Concrete Publications, 1964.
Warning: These citations may not always be 100% accurate.