Cita APA (7a ed.)

Howell, D. C. (2007). Statistical methods for psychology (6th ed.). Thomson/Wadsworth.

Cita Chicago Style (17a ed.)

Howell, David C. Statistical Methods for Psychology. 6th ed. Australia: Thomson/Wadsworth, 2007.

Cita MLA (9a ed.)

Howell, David C. Statistical Methods for Psychology. 6th ed. Thomson/Wadsworth, 2007.