APA (7th ed.) Citation

Menninger, K. (1964). Calculator's cunning: The art of quick reckoning. Bell.

Chicago Style (17th ed.) Citation

Menninger, Karl. Calculator's Cunning: The Art of Quick Reckoning. London: Bell, 1964.

MLA (9th ed.) Citation

Menninger, Karl. Calculator's Cunning: The Art of Quick Reckoning. Bell, 1964.