Elements of plane and spherical trigonometry /
by J.W. Nicholson.

APA Citation

Nicholson, J. W. (James William). (1898). Elements of plane and spherical trigonometry. New York: Macmillan.

MLA Citation

Nicholson, J. W. (James William), 1844-1917. Elements of Plane And Spherical Trigonometry. New York: Macmillan, 1898.

Warning: These citations may not always be complete (especially for serials).