Horton, H. L., Ryffel, H. H., Messal, E. E., & Green, R. E. (1999). Mathematics at work: Practical applications of arithmetic, algebra, geometry, trigonometry, and logarithms to the step-by-step solutions of mechanical problems, with formulas commonly used in engineering practice and a concise review of basic mathematical principles (Fourth edition.). Industrial Press.
Chicago Style (17th ed.) CitationHorton, Holbrook Lynedon, Henry H. Ryffel, Edward E. Messal, and Robert E. Green. Mathematics at Work: Practical Applications of Arithmetic, Algebra, Geometry, Trigonometry, and Logarithms to the Step-by-step Solutions of Mechanical Problems, with Formulas Commonly Used in Engineering Practice and a Concise Review of Basic Mathematical Principles. Fourth edition. New York, N.Y: Industrial Press, 1999.
MLA (8th ed.) CitationHorton, Holbrook Lynedon, et al. Mathematics at Work: Practical Applications of Arithmetic, Algebra, Geometry, Trigonometry, and Logarithms to the Step-by-step Solutions of Mechanical Problems, with Formulas Commonly Used in Engineering Practice and a Concise Review of Basic Mathematical Principles. Fourth edition. Industrial Press, 1999.