APA (7th ed.) Citation
Coolidge, J. L. (1927). The elements of non-euclidean geometry. Oxford University Press.
Chicago Style (17th ed.) Citation
Coolidge, J. L. The Elements of Non-euclidean Geometry. Oxford: Oxford University Press, 1927.
MLA (9th ed.) Citation
Coolidge, J. L. The Elements of Non-euclidean Geometry. Oxford University Press, 1927.
Warning: These citations may not always be 100% accurate.