Citação norma APA

De Angelis, C. D., Drazen, J. M., Frizelle, F. A., Haug, C., Hoey, J., Horton, R., . . . Van Der Weyden, M. B. (2005). Is this clinical trial fully registered? A statement from the International Committee of Medical Journal Editors. Canadian Medical Association.

Citação norma Chicago

De Angelis, Catherine D., et al. Is This Clinical Trial Fully Registered? A Statement From the International Committee of Medical Journal Editors. Canadian Medical Association, 2005.

Citação norma MLA

De Angelis, Catherine D., et al. Is This Clinical Trial Fully Registered? A Statement From the International Committee of Medical Journal Editors. Canadian Medical Association, 2005.

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