APA (7th ed.) Citation

Jefferson, T., Smith, S., Demicheli, V., Harnden, A., Rivetti, A., & Di Pietrantonj, C. (2005). Assessment of the efficacy and effectiveness of influenza vaccines in healthy children: Systematic review.

Chicago Style (17th ed.) Citation

Jefferson, T., S. Smith, V. Demicheli, A. Harnden, A. Rivetti, and C. Di Pietrantonj. Assessment of the Efficacy and Effectiveness of Influenza Vaccines in Healthy Children: Systematic Review. 2005.

MLA (9th ed.) Citation

Jefferson, T., et al. Assessment of the Efficacy and Effectiveness of Influenza Vaccines in Healthy Children: Systematic Review. 2005.