Cita APA (7a ed.)

Downing, D., & Clark, J. (1997). Statistics the easy way (3rd ed.). Barron's Educational Series.

Cita Chicago Style (17a ed.)

Downing, Douglas, y Jeff Clark. Statistics the Easy Way. 3rd ed. Hauppauge, NY: Barron's Educational Series, 1997.

Cita MLA (8a ed.)

Downing, Douglas, y Jeff Clark. Statistics the Easy Way. 3rd ed. Barron's Educational Series, 1997.

Precaución: Estas citas no son 100% exactas.