APA (7th ed.) Citation

Pollard, E., Holt, H. K., Vu, M., & Tsai, M. The importance of parental human papillomavirus vaccine series initiation for reducing sex disparities in human papillomavirus vaccine series initiation among children in the United States. Elsevier.

Chicago Style (17th ed.) Citation

Pollard, Elinita, Hunter K. Holt, Milkie Vu, and Meng-Han Tsai. The Importance of Parental Human Papillomavirus Vaccine Series Initiation for Reducing Sex Disparities in Human Papillomavirus Vaccine Series Initiation Among Children in the United States. Elsevier.

MLA (9th ed.) Citation

Pollard, Elinita, et al. The Importance of Parental Human Papillomavirus Vaccine Series Initiation for Reducing Sex Disparities in Human Papillomavirus Vaccine Series Initiation Among Children in the United States. Elsevier.