APA引文

Bell, R. W., & Smotherman, W. P. (1980). Maternal influences and early behavior. MTP.

芝加哥风格引文

Bell, Robert W., 与 William P. Smotherman. Maternal Influences and Early Behavior. Lancaster: MTP, 1980.

MLA引文

Bell, Robert W., 与 William P. Smotherman. Maternal Influences and Early Behavior. MTP, 1980.

警告：这些引文格式不一定是100％准确.