APA citiranje

van Deudekom, F. J., Postmus, I., van der Ham, D. J., Pothof, A. B., Broekhuizen, K., Blauw, G. J., & Mooijaart, S. P. (2017). External validity of randomized controlled trials in older adults, a systematic review. PLoS One.

Citação norma Chicago

van Deudekom, Floor J., Iris Postmus, Danielle J. van der Ham, Alexander B. Pothof, Karen Broekhuizen, Gerard J. Blauw, and Simon P. Mooijaart. "External Validity of Randomized Controlled Trials in Older Adults, a Systematic Review." PLoS One 2017.

MLA citiranje

van Deudekom, Floor J., et al. "External Validity of Randomized Controlled Trials in Older Adults, a Systematic Review." PLoS One 2017.