APA (7th ed.) Citation

(1998). An imaginary tale: The story of [the square root of minus one] / Paul J. Nahin.

Chicago Style (17th ed.) Citation

An Imaginary Tale: The Story of [the Square Root of Minus One] / Paul J. Nahin. 1998.

MLA (9th ed.) Citation

An Imaginary Tale: The Story of [the Square Root of Minus One] / Paul J. Nahin. 1998.

Warning: These citations may not always be 100% accurate.