APA引文

Tweedie, D. R. (1964). Points from Letters: Cervical Spondylosis.

Citação norma Chicago

Tweedie, D. R. Points From Letters: Cervical Spondylosis. 1964.

MLA引文

Tweedie, D. R. Points From Letters: Cervical Spondylosis. 1964.

警告：這些引文格式不一定是100％准確.