Cita APA (7a ed.)

Babbage, K. J. (2009). Extreme economics: Teaching children and teenagers about money (2nd ed.). Rowman & Littlefield Education.

Cita Chicago Style (17a ed.)

Babbage, Keen J. Extreme Economics: Teaching Children and Teenagers About Money. 2nd ed. Lanham, Md.: Rowman & Littlefield Education, 2009.

Cita MLA (8a ed.)

Babbage, Keen J. Extreme Economics: Teaching Children and Teenagers About Money. 2nd ed. Rowman & Littlefield Education, 2009.