APA引文

Lester, J. P. (1977). Points from letters: Generic and proprietary names.

Citação norma Chicago

Lester, J P. Points From Letters: Generic and Proprietary Names. 1977.

MLA引文

Lester, J P. Points From Letters: Generic and Proprietary Names. 1977.

警告：這些引文格式不一定是100％准確.