APA (7th ed.) Citation

Hess, A. L. (1977). Four-dimensional geometry: An introduction. National Council of Teachers of Math.

Chicago Style (17th ed.) Citation

Hess, Adrien L. Four-dimensional Geometry: An Introduction. Reston, Va: National Council of Teachers of Math, 1977.

MLA (9th ed.) Citation

Hess, Adrien L. Four-dimensional Geometry: An Introduction. National Council of Teachers of Math, 1977.