Citação norma APA

Ricketts, S. A., & Guernsey, B. P. (2006). School-Based Health Centers and the Decline in Black Teen Fertility During the 1990s in Denver, Colorado. © American Journal of Public Health 2006.

Citação norma Chicago

Ricketts, Sue A., and Bruce P. Guernsey. School-Based Health Centers and the Decline in Black Teen Fertility During the 1990s in Denver, Colorado. © American Journal of Public Health 2006, 2006.

Citação norma MLA

Ricketts, Sue A., and Bruce P. Guernsey. School-Based Health Centers and the Decline in Black Teen Fertility During the 1990s in Denver, Colorado. © American Journal of Public Health 2006, 2006.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.