APA (7th ed.) Citation

Pennycuick, C. J. (1989). Bird flight performance: A practical calculation manual. Oxford University Press.

Chicago Style (17th ed.) Citation

Pennycuick, C. J. Bird Flight Performance: A Practical Calculation Manual. Oxford, [England] ; New York: Oxford University Press, 1989.

MLA (9th ed.) Citation

Pennycuick, C. J. Bird Flight Performance: A Practical Calculation Manual. Oxford University Press, 1989.