Cytowanie według stylu APA (wyd. 7)

Crocker, J., Farrar, N., Cook, J., & Bulbulia, R. (2020). Recruitment and retention of participants in UK surgical trials: A survey of key issues reported by trial staff. Wiley.

Cytowanie według stylu Chicago (wyd. 17)

Crocker, JC, N. Farrar, J. Cook, i R. Bulbulia. Recruitment and Retention of Participants in UK Surgical Trials: A Survey of Key Issues Reported by Trial Staff. Wiley, 2020.

Cytowanie według stylu MLA (wyd. 9)

Crocker, JC, et al. Recruitment and Retention of Participants in UK Surgical Trials: A Survey of Key Issues Reported by Trial Staff. Wiley, 2020.