APA (7th ed.) Citation

Duffett-Smith, P. (1990). Astronomy with your personal computer (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Duffett-Smith, Peter. Astronomy with Your Personal Computer. 2nd ed. Cambridge, England ; New York: Cambridge University Press, 1990.

MLA (9th ed.) Citation

Duffett-Smith, Peter. Astronomy with Your Personal Computer. 2nd ed. Cambridge University Press, 1990.