Cita APA (7a ed.)

Muthukumar, A. V., Morrell, W., & Bierer, B. E. (2021). Evaluating the frequency of English language requirements in clinical trial eligibility criteria: A systematic analysis using ClinicalTrials.gov. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Muthukumar, Akila V., Walker Morrell, y Barbara E. Bierer. Evaluating the Frequency of English Language Requirements in Clinical Trial Eligibility Criteria: A Systematic Analysis Using ClinicalTrials.gov. Public Library of Science (PLoS), 2021.

Cita MLA (8a ed.)

Muthukumar, Akila V., et al. Evaluating the Frequency of English Language Requirements in Clinical Trial Eligibility Criteria: A Systematic Analysis Using ClinicalTrials.gov. Public Library of Science (PLoS), 2021.