APA引文

Wilson, J. M., & Raper, S. E. (1997). Letters to the Editor.

Citação norma Chicago

Wilson, James M., and Steven E. Raper. Letters to the Editor. 1997.

MLA引文

Wilson, James M., and Steven E. Raper. Letters to the Editor. 1997.

警告：這些引文格式不一定是100％准確.