Cita APA (7a ed.)
EM, H., D, J., & L, W. (2010). Sample size re-estimation in a breast cancer trial. Clinical Trials, 7(3), 219-227.
Cita Chicago Style (17a ed.)
EM, Hade, Jarjoura D, y Wei L. "Sample Size Re-estimation in a Breast Cancer Trial." Clinical Trials 7, no. 3 (2010): 219-227.
Cita MLA (9a ed.)
EM, Hade, et al. "Sample Size Re-estimation in a Breast Cancer Trial." Clinical Trials, vol. 7, no. 3, 2010, pp. 219-227.
Precaución: Estas citas no son 100% exactas.