APA (7th ed.) Citation

Smart, W. M. (1956). Astronomy (2d ed [revised.). Oxford University Press.

Chicago Style (17th ed.) Citation

Smart, W. M. Astronomy. 2d ed [revised. London, New York]: Oxford University Press, 1956.

MLA (9th ed.) Citation

Smart, W. M. Astronomy. 2d ed [revised. Oxford University Press, 1956.