Sipsma, H. L., Canavan, M., Gilliam, M., & Bradley, E. (2017). Impact of social service and public health spending on teenage birth rates across the USA: An ecological study. BMJ Open.
Citação norma ChicagoSipsma, Heather L., Maureen Canavan, Melissa Gilliam, and Elizabeth Bradley. "Impact of Social Service and Public Health Spending On Teenage Birth Rates Across the USA: An Ecological Study." BMJ Open 2017.
Citação norma MLASipsma, Heather L., Maureen Canavan, Melissa Gilliam, and Elizabeth Bradley. "Impact of Social Service and Public Health Spending On Teenage Birth Rates Across the USA: An Ecological Study." BMJ Open 2017.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.