APA引文

Collins, G., & Altman, D. (2009). QRISK validation and evaluation Authors' reply.

Chicago Style (17th ed.) Citation

Collins, G., and D. Altman. QRISK Validation and Evaluation Authors' Reply. 2009.

MLA引文

Collins, G., and D. Altman. QRISK Validation and Evaluation Authors' Reply. 2009.

警告：這些引文格式不一定是100％准確.