APA citiranje

Williams, R. J., Tse, T., DiPiazza, K., & Zarin, D. A. (2015). Terminated Trials in the ClinicalTrials.gov Results Database: Evaluation of Availability of Primary Outcome Data and Reasons for Termination. PLoS One.

Citação norma Chicago

Williams, Rebecca J., Tony Tse, Katelyn DiPiazza, and Deborah A. Zarin. "Terminated Trials in the ClinicalTrials.gov Results Database: Evaluation of Availability of Primary Outcome Data and Reasons for Termination." PLoS One 2015.

MLA citiranje

Williams, Rebecca J., Tony Tse, Katelyn DiPiazza, and Deborah A. Zarin. "Terminated Trials in the ClinicalTrials.gov Results Database: Evaluation of Availability of Primary Outcome Data and Reasons for Termination." PLoS One 2015.