APA引文

Yarus, M., Levine, J., Morin, G. B., & Cech, T. R. (1989). A Tetrahymena intron nucleotide connected to the GTP/arginine site.

Citação norma Chicago

Yarus, M., J. Levine, G B. Morin, and T R. Cech. A Tetrahymena Intron Nucleotide Connected to the GTP/arginine Site. 1989.

MLA引文

Yarus, M., J. Levine, G B. Morin, and T R. Cech. A Tetrahymena Intron Nucleotide Connected to the GTP/arginine Site. 1989.

警告：這些引文格式不一定是100％准確.