APA (7th ed.) Citation

Woolson Robert F, Hedden Sarra L, & Malcolm Robert J. (2006). Randomization in substance abuse clinical trials. BMC.

Chicago Style (17th ed.) Citation

Woolson Robert F, Hedden Sarra L, and Malcolm Robert J. Randomization in Substance Abuse Clinical Trials. BMC, 2006.

MLA (9th ed.) Citation

Woolson Robert F, et al. Randomization in Substance Abuse Clinical Trials. BMC, 2006.