Plane and spherical trigonometry.
APA Citation
Wentworth, G. A. (George Albert). (1887). Plane and spherical trigonometry. Boston: Ginn & Co..
MLA Citation
Wentworth, G. A. (George Albert), 1835-1906. Plane And Spherical Trigonometry. Boston: Ginn & Co., 1887.
Warning: These citations may not always be complete (especially for serials).