Citação norma APA

Abdullah, H. R., Sim, Y. E., Hao, Y., Lin, G. Y., Liew, G. H. C., Lamoureux, E. L., & Tan, M. H. (2017). Association between preoperative anaemia with length of hospital stay among patients undergoing primary total knee arthroplasty in Singapore: A single-centre retrospective study. BMJ Open.

Citação norma Chicago

Abdullah, Hairil Rizal, Yilin Eileen Sim, Ying Hao, Geng Yu Lin, Geoffrey Haw Chieh Liew, Ecosse L. Lamoureux, and Mann Hong Tan. "Association between Preoperative Anaemia With Length of Hospital Stay Among Patients Undergoing Primary Total Knee Arthroplasty in Singapore: A Single-centre Retrospective Study." BMJ Open 2017.

Citação norma MLA

Abdullah, Hairil Rizal, et al. "Association between Preoperative Anaemia With Length of Hospital Stay Among Patients Undergoing Primary Total Knee Arthroplasty in Singapore: A Single-centre Retrospective Study." BMJ Open 2017.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.