APA (7th ed.) Citation

Smart, W. M. (1940). Textbook on spherical astronomy / by W.M. Smart (3rd ed.). C.U.P..

Chicago Style (17th ed.) Citation

Smart, W. M. Textbook on Spherical Astronomy / by W.M. Smart. 3rd ed. C.U.P., 1940.

MLA (9th ed.) Citation

Smart, W. M. Textbook on Spherical Astronomy / by W.M. Smart. 3rd ed. C.U.P., 1940.

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