Cita APA

Christensen, T., Riis, A. H., Hatch, E. E., Wise, L. A., Nielsen, M. G., Rothman, K. J., . . . Mikkelsen, E. M. (2017). Costs and Efficiency of Online and Offline Recruitment Methods: A Web-Based Cohort Study. J Med Internet Res.

Chicago Style Citation

Christensen, Tina, Anders H. Riis, Elizabeth E. Hatch, Lauren A. Wise, Marie G. Nielsen, Kenneth J. Rothman, Henrik Toft Sørensen, i Ellen M. Mikkelsen. "Costs and Efficiency of Online and Offline Recruitment Methods: A Web-Based Cohort Study." J Med Internet Res 2017.

Cita MLA

Christensen, Tina, et al. "Costs and Efficiency of Online and Offline Recruitment Methods: A Web-Based Cohort Study." J Med Internet Res 2017.