Hathcock, B. D., & Whittemore, H. L. (1923). Some compressive tests of hollow-tile walls. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationHathcock, Bernard D., and Herbert L. Whittemore. Some Compressive Tests of Hollow-tile Walls. [Washington?]: U.S. Government Printing Office, 1923.
MLA (9th ed.) CitationHathcock, Bernard D., and Herbert L. Whittemore. Some Compressive Tests of Hollow-tile Walls. U.S. Government Printing Office, 1923.
Warning: These citations may not always be 100% accurate.