APA引文

Belcher, J. R., & Gupta, R. L. (1964). Restenosis of Mitral Valve: A Study of 100 Cases Treated by Operation.

Citação norma Chicago

Belcher, J. R., and R. L. Gupta. Restenosis of Mitral Valve: A Study of 100 Cases Treated By Operation. 1964.

MLA引文

Belcher, J. R., and R. L. Gupta. Restenosis of Mitral Valve: A Study of 100 Cases Treated By Operation. 1964.

警告：這些引文格式不一定是100％准確.