Cita APA (7th ed.)

Menninger, K. W. (1992). Number words and number symbols: A cultural history of numbers. Dover.

Cita Chicago (17th ed.)

Menninger, Karl W. Number Words and Number Symbols: A Cultural History of Numbers. Nueva York: Dover, 1992.

Cita MLA (9th ed.)

Menninger, Karl W. Number Words and Number Symbols: A Cultural History of Numbers. Dover, 1992.