Plane and spherical trigonometry
[by] Lyman M. Kells, Willis F. Kern [and] James R. Bland.
APA Citation
Kells, L. M. (Lyman Morse). (1951). Plane and spherical trigonometry. 3d ed. New York: McGraw-Hill.
MLA Citation
Kells, Lyman M. (Lyman Morse), 1888-. Plane And Spherical Trigonometry. 3d ed. New York: McGraw-Hill, 1951.
Warning: These citations may not always be complete (especially for serials).