APA način citiranja

Bracken, B. K., Penetar, D. M., Rodolico, J., Ryan, E. T., & Lukas, S. E. (2011). Eight weeks of citicoline treatment does not perturb sleep/wake cycles in cocaine-dependent adults.

Čikaški stil citiranja

Bracken, Bethany K., David M. Penetar, John Rodolico, Elizabeth T. Ryan, i Scott E. Lukas. Eight Weeks of Citicoline Treatment Does Not Perturb Sleep/wake Cycles in Cocaine-dependent Adults. 2011.

MLA način citiranja

Bracken, Bethany K., et al. Eight Weeks of Citicoline Treatment Does Not Perturb Sleep/wake Cycles in Cocaine-dependent Adults. 2011.