APA引文

Duran, C. G., Gunning, A. J., & Whitehead, R. (1967). Experimental aortic valve heterotransplantation.

Citação norma Chicago

Duran, C. G., A. J. Gunning, and R. Whitehead. Experimental Aortic Valve Heterotransplantation. 1967.

MLA引文

Duran, C. G., A. J. Gunning, and R. Whitehead. Experimental Aortic Valve Heterotransplantation. 1967.

警告：這些引文格式不一定是100％准確.