Hess, A. L. (1977). Four-dimensional geometry: An introduction. National Council of Teachers of Math.
Chicago Style (17th ed.) CitationHess, Adrien L. Four-dimensional Geometry: An Introduction. Reston, Va: National Council of Teachers of Math, 1977.
MLA (9th ed.) CitationHess, Adrien L. Four-dimensional Geometry: An Introduction. National Council of Teachers of Math, 1977.
Warning: These citations may not always be 100% accurate.