APA Zitierstil

Frampton, G. K., Shepherd, J., Pickett, K., Griffiths, G., & Wyatt, J. C. (2020). Digital tools for the recruitment and retention of participants in randomised controlled trials: A systematic map. Trials.

Chicago Zitierstil

Frampton, Geoff K., Jonathan Shepherd, Karen Pickett, Gareth Griffiths, und Jeremy C. Wyatt. "Digital Tools for the Recruitment and Retention of Participants in Randomised Controlled Trials: A Systematic Map." Trials 2020.

MLA Zitierstil

Frampton, Geoff K., et al. "Digital Tools for the Recruitment and Retention of Participants in Randomised Controlled Trials: A Systematic Map." Trials 2020.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.