APA (7th ed.) Citation

Ward, J., Clarkson, P. J., O'Kelly, E., & Pirog, S. Ability of fabric face mask materials to filter ultrafine particles at coughing velocity. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Ward, James, P John Clarkson, Eugenia O'Kelly, and Sophia Pirog. Ability of Fabric Face Mask Materials to Filter Ultrafine Particles at Coughing Velocity. BMJ Publishing Group.

MLA (9th ed.) Citation

Ward, James, et al. Ability of Fabric Face Mask Materials to Filter Ultrafine Particles at Coughing Velocity. BMJ Publishing Group.