APA (7th ed.) Citation

Clarke, M., MacKinnon, L., & Eisinga, A. (2008). Cracking up in the search for randomised trials.

Chicago Style (17th ed.) Citation

Clarke, M., L. MacKinnon, and A. Eisinga. Cracking Up in the Search for Randomised Trials. 2008.

MLA (9th ed.) Citation

Clarke, M., et al. Cracking Up in the Search for Randomised Trials. 2008.

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