Citação norma APA

Khan, A., Chandler, K., Pimenides, D., Black, G. C. M., & Manson, F. D. C. (2006). Corneal ectasia associated with Cohen syndrome: A role for COH1 in corneal development and maintenance? BMJ Group.

Citação norma Chicago

Khan, A., K. Chandler, D. Pimenides, G C M. Black, and F D C. Manson. Corneal Ectasia Associated With Cohen Syndrome: A Role for COH1 in Corneal Development and Maintenance? BMJ Group, 2006.

Citação norma MLA

Khan, A., et al. Corneal Ectasia Associated With Cohen Syndrome: A Role for COH1 in Corneal Development and Maintenance? BMJ Group, 2006.

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