Citação norma APA

de Hoogd, S., Ahlers, S. J., van Dongen, E. P., Tibboel, D., Dahan, A., & Knibbe, C. A. (2014). Remifentanil versus fentanyl during cardiac surgery on the incidence of chronic thoracic pain (REFLECT): Study protocol for a randomized controlled trial. Trials.

Citação norma Chicago

de Hoogd, Sjoerd, Sabine JGM Ahlers, Eric PA van Dongen, Dick Tibboel, Albert Dahan, and Catherijne AJ Knibbe. "Remifentanil Versus Fentanyl During Cardiac Surgery On the Incidence of Chronic Thoracic Pain (REFLECT): Study Protocol for a Randomized Controlled Trial." Trials 2014.

Citação norma MLA

de Hoogd, Sjoerd, et al. "Remifentanil Versus Fentanyl During Cardiac Surgery On the Incidence of Chronic Thoracic Pain (REFLECT): Study Protocol for a Randomized Controlled Trial." Trials 2014.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.