Coxeter, H. S. M. (1957). Non-euclidean geometry (3rd ed.). The University of Toronto.
Chicago Style (17th ed.) CitationCoxeter, Harold Scott Macdonald. Non-euclidean Geometry. 3rd ed. Toronto: The University of Toronto, 1957.
MLA (9th ed.) CitationCoxeter, Harold Scott Macdonald. Non-euclidean Geometry. 3rd ed. The University of Toronto, 1957.