APA (7th ed.) Citation

Nahin, P. J. (2007). An imaginary tale: The story of [the square root of minus one]. Princeton University Press.

Chicago Style (17th ed.) Citation

Nahin, Paul J. An Imaginary Tale: The Story of [the Square Root of Minus One]. Princeton, New Jersey: Princeton University Press, 2007.

MLA (9th ed.) Citation

Nahin, Paul J. An Imaginary Tale: The Story of [the Square Root of Minus One]. Princeton University Press, 2007.