Simms, F. W., & Telford, T. (1843). A treatise on the principles and practice of levelling: Showing its application to purposes of civil engineering, particularly in the construction of roads, with Mr. Telford's rules for the same (2nd ed.). J. Weale.
Chicago Style (17th ed.) CitationSimms, Frederick W., and Thomas Telford. A Treatise on the Principles and Practice of Levelling: Showing Its Application to Purposes of Civil Engineering, Particularly in the Construction of Roads, with Mr. Telford's Rules for the Same. 2nd ed. London: J. Weale, 1843.
MLA (9th ed.) CitationSimms, Frederick W., and Thomas Telford. A Treatise on the Principles and Practice of Levelling: Showing Its Application to Purposes of Civil Engineering, Particularly in the Construction of Roads, with Mr. Telford's Rules for the Same. 2nd ed. J. Weale, 1843.