APA način citiranja

Barrett, J. F., Sutcliffe, J. A., & Gootz, T. D. (1990). In vitro assays used to measure the activity of topoisomerases.

Čikaški stil citiranja

Barrett, J F., J A. Sutcliffe, i T D. Gootz. In Vitro Assays Used to Measure the Activity of Topoisomerases. 1990.

MLA način citiranja

Barrett, J F., J A. Sutcliffe, i T D. Gootz. In Vitro Assays Used to Measure the Activity of Topoisomerases. 1990.