Johnson, R. A. (1929). Modern geometry: An elementary treatise on the geometry of the triangle and the circle. Houghton Mifflin.
Chicago Style (17th ed.) CitationJohnson, Roger A. Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Boston: Houghton Mifflin, 1929.
MLA (9th ed.) CitationJohnson, Roger A. Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Houghton Mifflin, 1929.
Warning: These citations may not always be 100% accurate.