Cita APA (7a ed.)

Bryant, J., & Sangwin, C. J. (2008). How round is your circle?: Where engineering and mathematics meet. Princeton University Press.

Cita Chicago Style (17a ed.)

Bryant, John, y C. J. Sangwin. How Round Is Your Circle?: Where Engineering and Mathematics Meet. Princeton ; Oxford: Princeton University Press, 2008.

Cita MLA (9a ed.)

Bryant, John, y C. J. Sangwin. How Round Is Your Circle?: Where Engineering and Mathematics Meet. Princeton University Press, 2008.