APA (7th ed.) Citation

Richardson, M. (1950). Plane and spherical trigonometry.

Chicago Style (17th ed.) Citation

Richardson, M. Plane and Spherical Trigonometry. New York, Richardson, Moses, 1911-, 1950.

MLA (9th ed.) Citation

Richardson, M. Plane and Spherical Trigonometry. 1950.

Warning: These citations may not always be 100% accurate.