Cita APA (7a ed.)

Campbell, M. J. (2006). Statistics at square two: Understanding modern statistical applications in medicine (2nd ed.). BMJ Books/Blackwell.

Cita Chicago Style (17a ed.)

Campbell, Michael J. Statistics at Square Two: Understanding Modern Statistical Applications in Medicine. 2nd ed. Malden, Mass. ; Oxford: BMJ Books/Blackwell, 2006.

Cita MLA (9a ed.)

Campbell, Michael J. Statistics at Square Two: Understanding Modern Statistical Applications in Medicine. 2nd ed. BMJ Books/Blackwell, 2006.