APA (7th ed.) Citation

Duffett-Smith, P. (1988). Practical astronomy with your calculator (Third edition.). Cambridge University Press. https://doi.org/10.1017/CBO9780511564895

Chicago Style (17th ed.) Citation

Duffett-Smith, Peter. Practical Astronomy with Your Calculator. Third edition. Cambridge: Cambridge University Press, 1988. https://doi.org/10.1017/CBO9780511564895.

MLA (9th ed.) Citation

Duffett-Smith, Peter. Practical Astronomy with Your Calculator. Third edition. Cambridge University Press, 1988. https://doi.org/10.1017/CBO9780511564895.