APA Citatie

Dudley, U. (1997). Numerology, or, What Pythagoras wrought. Washington, DC: Mathematical Association of America.

Chicago Style citaat

Dudley, Underwood. Numerology, Or, What Pythagoras Wrought. Washington, DC: Mathematical Association of America, 1997.

MLA citatie

Dudley, Underwood. Numerology, Or, What Pythagoras Wrought. Washington, DC: Mathematical Association of America, 1997.

Let op: Deze citaties zijn niet altijd 100% accuraat.