APA
Shields J. P., Cohen R., Glassman J. R., Whitaker K., Franks H. & Bertolini I. (20130708). Estimating population size and demographic characteristics of lesbian, gay, bisexual, and transgender youth in middle school. : The Journal of adolescent health : official publication of the Society for Adolescent Medicine.
Chicago
Shields John P, Cohen Rebekah, Glassman Jill R, Whitaker Kelly, Franks Heather and Bertolini Ilsa. 20130708. Estimating population size and demographic characteristics of lesbian, gay, bisexual, and transgender youth in middle school. : The Journal of adolescent health : official publication of the Society for Adolescent Medicine.
Harvard
Shields J. P., Cohen R., Glassman J. R., Whitaker K., Franks H. and Bertolini I. (20130708). Estimating population size and demographic characteristics of lesbian, gay, bisexual, and transgender youth in middle school. : The Journal of adolescent health : official publication of the Society for Adolescent Medicine.
MLA
Shields John P, Cohen Rebekah, Glassman Jill R, Whitaker Kelly, Franks Heather and Bertolini Ilsa. Estimating population size and demographic characteristics of lesbian, gay, bisexual, and transgender youth in middle school. : The Journal of adolescent health : official publication of the Society for Adolescent Medicine. 20130708.