Townsend, E. (1871). An easy proof of the "prismoidal formula", with an accurate method of taking out the quantity of earth, and of setting out the "half-breadths" in a cutting with a steep gradient.
Chicago Style (17th ed.) CitationTownsend, Edward. An Easy Proof of the "Prismoidal Formula", with an Accurate Method of Taking Out the Quantity of Earth, and of Setting Out the "Half-breadths" in a Cutting with a Steep Gradient. 1871.
MLA (9th ed.) CitationTownsend, Edward. An Easy Proof of the "Prismoidal Formula", with an Accurate Method of Taking Out the Quantity of Earth, and of Setting Out the "Half-breadths" in a Cutting with a Steep Gradient. 1871.
Warning: These citations may not always be 100% accurate.
