APA
Chin H. B., Sipe T. A., Elder R., Mercer S. L., Chattopadhyay S. K., Jacob V., Wethington H. R., Kirby D., Elliston D. B., Griffith M., Chuke S. O., Briss S. C., Ericksen I., Galbraith J. S., Herbst J. H., Johnson R. L., Kraft J. M., Noar S. M., Romero L. M. & Santelli J. (20120611). The effectiveness of group-based comprehensive risk-reduction and abstinence education interventions to prevent or reduce the risk of adolescent pregnancy, human immunodeficiency virus, and sexually transmitted infections: two systematic reviews for the Guide to Community Preventive Services. : American journal of preventive medicine.
Chicago
Chin Helen B, Sipe Theresa Ann, Elder Randy, Mercer Shawna L, Chattopadhyay Sajal K, Jacob Verughese, Wethington Holly R, Kirby Doug, Elliston Donna B, Griffith Matt, Chuke Stella O, Briss Susan C, Ericksen Irene, Galbraith Jennifer S, Herbst Jeffrey H, Johnson Robert L, Kraft Joan M, Noar Seth M, Romero Lisa M and Santelli John. 20120611. The effectiveness of group-based comprehensive risk-reduction and abstinence education interventions to prevent or reduce the risk of adolescent pregnancy, human immunodeficiency virus, and sexually transmitted infections: two systematic reviews for the Guide to Community Preventive Services. : American journal of preventive medicine.
Harvard
Chin H. B., Sipe T. A., Elder R., Mercer S. L., Chattopadhyay S. K., Jacob V., Wethington H. R., Kirby D., Elliston D. B., Griffith M., Chuke S. O., Briss S. C., Ericksen I., Galbraith J. S., Herbst J. H., Johnson R. L., Kraft J. M., Noar S. M., Romero L. M. and Santelli J. (20120611). The effectiveness of group-based comprehensive risk-reduction and abstinence education interventions to prevent or reduce the risk of adolescent pregnancy, human immunodeficiency virus, and sexually transmitted infections: two systematic reviews for the Guide to Community Preventive Services. : American journal of preventive medicine.
MLA
Chin Helen B, Sipe Theresa Ann, Elder Randy, Mercer Shawna L, Chattopadhyay Sajal K, Jacob Verughese, Wethington Holly R, Kirby Doug, Elliston Donna B, Griffith Matt, Chuke Stella O, Briss Susan C, Ericksen Irene, Galbraith Jennifer S, Herbst Jeffrey H, Johnson Robert L, Kraft Joan M, Noar Seth M, Romero Lisa M and Santelli John. The effectiveness of group-based comprehensive risk-reduction and abstinence education interventions to prevent or reduce the risk of adolescent pregnancy, human immunodeficiency virus, and sexually transmitted infections: two systematic reviews for the Guide to Community Preventive Services. : American journal of preventive medicine. 20120611.