Whitney, N. (1992). The cleverest person in the world. Heinemann.
Cita Chicago Style (17a ed.)Whitney, Norman. The Cleverest Person in the World. Oxford: Heinemann, 1992.
Cita MLA (8a ed.)Whitney, Norman. The Cleverest Person in the World. Heinemann, 1992.
Precaución: Estas citas no son 100% exactas.