Duffett-Smith, P. (1988). Practical astronomy with your calculator (3rd ed.). cambridge, N.Y.: Cambridge University Press.
Chicago Style CitationDuffett-Smith, Peter. Practical Astronomy With Your Calculator. 3rd ed. cambridge, N.Y.: Cambridge University Press, 1988.
MLA CitationDuffett-Smith, Peter. Practical Astronomy With Your Calculator. 3rd ed. cambridge, N.Y.: Cambridge University Press, 1988.
Warning: These citations may not always be 100% accurate.