Elements of trigonometry,
plane and spherical.
By Edward Olney.
APA Citation
Olney, E. (1870). Elements of trigonometry: plane and spherical. New York: Sheldon.
MLA Citation
Olney, Edward, 1827-1887. Elements of Trigonometry: Plane And Spherical. New York: Sheldon, 1870.
Warning: These citations may not always be complete (especially for serials).