APA citiranje

De Angelis, C., Drazen, J. M., Frizelle, F. A., Haug, C., Hoey, J., Horton, R., . . . Van Der Weyden, M. B. (2004). Clinical trial registration: A statement from the International Committee of Medical Journal Editors. Canadian Medical Association.

Citação norma Chicago

De Angelis, Catherine, et al. Clinical Trial Registration: A Statement From the International Committee of Medical Journal Editors. Canadian Medical Association, 2004.

MLA citiranje

De Angelis, Catherine, et al. Clinical Trial Registration: A Statement From the International Committee of Medical Journal Editors. Canadian Medical Association, 2004.