APA引文

Raw, M., & McNeill, A. (1990). Britain bans oral snuff.

Citação norma Chicago

Raw, M., and A. McNeill. Britain Bans Oral Snuff. 1990.

MLA引文

Raw, M., and A. McNeill. Britain Bans Oral Snuff. 1990.

警告：這些引文格式不一定是100％准確.