APA (7th ed.) Citation

Menninger, K. (1969). Number words and number symbols: A cultural history of numbers. MIT Press.

Chicago Style (17th ed.) Citation

Menninger, Karl. Number Words and Number Symbols: A Cultural History of Numbers. Cambridge, Mass: MIT Press, 1969.

MLA (9th ed.) Citation

Menninger, Karl. Number Words and Number Symbols: A Cultural History of Numbers. MIT Press, 1969.