Cita APA (7th ed.)

Pollard, A., Riordan, A., & Ramsay, M. (2014). Group B meningococcal vaccine: Recommendations for UK use.

Cita Chicago (17th ed.)

Pollard, A., A. Riordan, i M. Ramsay. Group B Meningococcal Vaccine: Recommendations for UK Use. 2014.

Cita MLA (9th ed.)

Pollard, A., et al. Group B Meningococcal Vaccine: Recommendations for UK Use. 2014.