The elements of non-Euclidean plane geometry and trigonometry,
by H. S. Carslaw.
APA Citation
Carslaw, H. S. (Horatio Scott). (1916). The elements of non-Euclidean plane geometry and trigonometry. London: Longmans, Green and co..
MLA Citation
Carslaw, H. S. (Horatio Scott), 1870-1954. The Elements of Non-Euclidean Plane Geometry And Trigonometry. London: Longmans, Green and co., 1916.
Warning: These citations may not always be complete (especially for serials).