APA引文

Spangler, E. A., Ryan, T., & Blackburn, E. H. (1988). Developmentally regulated telomere addition in Tetrahymena thermophila.

Citação norma Chicago

Spangler, E A., T. Ryan, and E H. Blackburn. Developmentally Regulated Telomere Addition in Tetrahymena Thermophila. 1988.

MLA引文

Spangler, E A., T. Ryan, and E H. Blackburn. Developmentally Regulated Telomere Addition in Tetrahymena Thermophila. 1988.

警告：這些引文格式不一定是100％准確.