APA (7th ed.) Citation

Duffett-Smith, P. (1988). Practical astronomy with your calculator (Third edition.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Duffett-Smith, Peter. Practical Astronomy with Your Calculator. Third edition. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1988.

MLA (9th ed.) Citation

Duffett-Smith, Peter. Practical Astronomy with Your Calculator. Third edition. Cambridge University Press, 1988.