APA (7th ed.) Citation

Campbell, M. J., & Swinscow, T. D. V. (2009). Statistics at square one (11 th ed.). Wiley-Blackwell/BMJ Books.

Chicago Style (17th ed.) Citation

Campbell, Michael Joseph, and T. D. V. Swinscow. Statistics at Square One. 11 th ed. Chichester (United Kingdom): Wiley-Blackwell/BMJ Books, 2009.

MLA (9th ed.) Citation

Campbell, Michael Joseph, and T. D. V. Swinscow. Statistics at Square One. 11 th ed. Wiley-Blackwell/BMJ Books, 2009.