APA Edition Citation

Smart, W. M. (1979). Textbook on spherical astronomy (23.).

Chicago Edition Citation

Smart, W M. Textbook on Spherical Astronomy. 23. Vikas Publishing House Pvt. Ltd., New Delhi, 1979.

MLA Edition Citation

Smart, W M. Textbook on Spherical Astronomy. 23. 1979.

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