APA (7th ed.) Citation

Butler, D. Cluster of coronavirus cases put scientists on alerts. Nature Publishing Group.

Chicago Style (17th ed.) Citation

Butler, Declan. Cluster of Coronavirus Cases Put Scientists on Alerts. London: Nature Publishing Group.

MLA (9th ed.) Citation

Butler, Declan. Cluster of Coronavirus Cases Put Scientists on Alerts. Nature Publishing Group.

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