APA (7th ed.) Citation

Gray, J. (1989). Ideas of space: Euclidean, non-Euclidean, and relativistic (2. ed.). Clarendon Press.

Chicago Style (17th ed.) Citation

Gray, Jeremy. Ideas of Space: Euclidean, Non-Euclidean, and Relativistic. 2. ed. Oxford: Clarendon Press, 1989.

MLA (9th ed.) Citation

Gray, Jeremy. Ideas of Space: Euclidean, Non-Euclidean, and Relativistic. 2. ed. Clarendon Press, 1989.