Bowker, R. C., & Hart, R. W. (1919). Apparatus for measuring relative wear of sole leathers, and results obtained with leather from different parts of hide. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationBowker, R. C., and Reeves W. Hart. Apparatus for Measuring Relative Wear of Sole Leathers, and Results Obtained with Leather from Different Parts of Hide. [Washington?]: U.S. Government Printing Office, 1919.
MLA (9th ed.) CitationBowker, R. C., and Reeves W. Hart. Apparatus for Measuring Relative Wear of Sole Leathers, and Results Obtained with Leather from Different Parts of Hide. U.S. Government Printing Office, 1919.
Warning: These citations may not always be 100% accurate.