APA (7th ed.) Citation

Elwood, J. M. (1998). Critical appraisal of epidemiological studies and clinical trials (Second edition.). Oxford University Press.

Chicago Style (17th ed.) Citation

Elwood, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. Second edition. Oxford ; New York: Oxford University Press, 1998.

MLA (9th ed.) Citation

Elwood, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. Second edition. Oxford University Press, 1998.