APA Style

Duffett-Smith, Peter, Zwart, Jonathan. (2011). Practical astronomy with your calculator or spreadsheet (4th ed). Cambridge, New York: Cambridge University.

Chicago Style

Duffett-Smith, Peter, Zwart, Jonathan. Practical astronomy with your calculator or spreadsheet. 4th ed Cambridge, New York: Cambridge University, 2011. Textbook.

MLA Style

Duffett-Smith, Peter, Zwart, Jonathan. Practical astronomy with your calculator or spreadsheet. 4th ed Cambridge, New York: Cambridge University, 2011. Textbook.

Turabian Style

Duffett-Smith, Peter, Zwart, Jonathan. Practical astronomy with your calculator or spreadsheet. 4th ed Cambridge, New York: Cambridge University, 2011. Textbook.