Nahin, P. J. (1998). An imaginary tale: The story of [the square root of minus one]. Princeton University Press.
Cita Chicago (17th ed.)Nahin, Paul J. An Imaginary Tale: The Story of [the Square Root of Minus One]. Princeton, N.J.: Princeton University Press, 1998.
Cita MLA (8th ed.)Nahin, Paul J. An Imaginary Tale: The Story of [the Square Root of Minus One]. Princeton University Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.