APA引文

Runyon, G. T., Bear, D. G., & Lohman, T. M. (1990). Escherichia coli helicase II (UvrD) protein initiates DNA unwinding at nicks and blunt ends.

Citação norma Chicago

Runyon, G T., D G. Bear, and T M. Lohman. Escherichia Coli Helicase II (UvrD) Protein Initiates DNA Unwinding At Nicks and Blunt Ends. 1990.

MLA引文

Runyon, G T., D G. Bear, and T M. Lohman. Escherichia Coli Helicase II (UvrD) Protein Initiates DNA Unwinding At Nicks and Blunt Ends. 1990.

警告：這些引文格式不一定是100％准確.