APA (7th ed.) Citation

Hayward, G., Butler, C., Yu, L., Saville, B., Berry, N., Dorward, J., . . . Hobbs, F. (2021). Platform Randomised trial of INterventions against COVID-19 In older peoPLE (PRINCIPLE): Protocol for a randomised, controlled, open-label, adaptive platform, trial of community treatment of COVID-19 syndromic illness in people at higher risk. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Hayward, G., et al. Platform Randomised Trial of INterventions Against COVID-19 In Older PeoPLE (PRINCIPLE): Protocol for a Randomised, Controlled, Open-label, Adaptive Platform, Trial of Community Treatment of COVID-19 Syndromic Illness in People at Higher Risk. BMJ Publishing Group, 2021.

MLA (9th ed.) Citation

Hayward, G., et al. Platform Randomised Trial of INterventions Against COVID-19 In Older PeoPLE (PRINCIPLE): Protocol for a Randomised, Controlled, Open-label, Adaptive Platform, Trial of Community Treatment of COVID-19 Syndromic Illness in People at Higher Risk. BMJ Publishing Group, 2021.

Warning: These citations may not always be 100% accurate.