APA (7th ed.) Citation

Ryan, G. W., Kahl, A., Janio, E., Kintigh, B., Callaghan, D., & Askelson, N. M. Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10. Taylor & Francis Group.

Chicago Style (17th ed.) Citation

Ryan, Grace W., Amanda Kahl, Emily Janio, Bethany Kintigh, Don Callaghan, and Natoshia M. Askelson. Using Immunization Registry Data to Explore Initiation of HPV Vaccination at Ages 9 and 10. Taylor & Francis Group.

MLA (9th ed.) Citation

Ryan, Grace W., et al. Using Immunization Registry Data to Explore Initiation of HPV Vaccination at Ages 9 and 10. Taylor & Francis Group.

Warning: These citations may not always be 100% accurate.