APA
Harper D. M., Groner J. A., Griffith R. S. & Harper W. H. (20130708). Re: Annual report to the nation on the status of cancer, 1975-2009, featuring the burden and trends in human papillomavirus (HPV)-associated cancers and HPV vaccination coverage levels and Re: Inequalities in human papillomavirus (HPV)-associated cancers: implications for the success of HPV vaccination. : Journal of the National Cancer Institute.
Chicago
Harper Diane M, Groner Jennifer A, Griffith R Stephen and Harper William H. 20130708. Re: Annual report to the nation on the status of cancer, 1975-2009, featuring the burden and trends in human papillomavirus (HPV)-associated cancers and HPV vaccination coverage levels and Re: Inequalities in human papillomavirus (HPV)-associated cancers: implications for the success of HPV vaccination. : Journal of the National Cancer Institute.
Harvard
Harper D. M., Groner J. A., Griffith R. S. and Harper W. H. (20130708). Re: Annual report to the nation on the status of cancer, 1975-2009, featuring the burden and trends in human papillomavirus (HPV)-associated cancers and HPV vaccination coverage levels and Re: Inequalities in human papillomavirus (HPV)-associated cancers: implications for the success of HPV vaccination. : Journal of the National Cancer Institute.
MLA
Harper Diane M, Groner Jennifer A, Griffith R Stephen and Harper William H. Re: Annual report to the nation on the status of cancer, 1975-2009, featuring the burden and trends in human papillomavirus (HPV)-associated cancers and HPV vaccination coverage levels and Re: Inequalities in human papillomavirus (HPV)-associated cancers: implications for the success of HPV vaccination. : Journal of the National Cancer Institute. 20130708.