Cita APA (7th ed.)

Conroy, E., Rosala-Hallas, A., Blazeby, J., Burnside, G., Cook, J., & Gamble, C. (2018). Randomised trials involving surgery did not routinely report considerations of learning and clustering effects. Elsevier.

Cita Chicago (17th ed.)

Conroy, E., A. Rosala-Hallas, J. Blazeby, G. Burnside, J. Cook, i C. Gamble. Randomised Trials Involving Surgery Did Not Routinely Report Considerations of Learning and Clustering Effects. Elsevier, 2018.

Cita MLA (9th ed.)

Conroy, E., et al. Randomised Trials Involving Surgery Did Not Routinely Report Considerations of Learning and Clustering Effects. Elsevier, 2018.