APA (7th ed.) Citation

Armitage, P., Berry, G., & Matthews, J. N. S. (2002). Statistical methods in medical research (4th edition.). Blackwell.

Chicago Style (17th ed.) Citation

Armitage, P., G. Berry, and J. N. S. Matthews. Statistical Methods in Medical Research. 4th edition. Massachusrtts: Blackwell, 2002.

MLA (8th ed.) Citation

Armitage, P., et al. Statistical Methods in Medical Research. 4th edition. Blackwell, 2002.