Citação norma APA

Vella, S. A., Cliff, D. P., & Okely, A. D. (2014). Socio-ecological predictors of participation and dropout in organised sports during childhood. BioMed Central.

Citação norma Chicago

Vella, Stewart A., Dylan P. Cliff, and Anthony D. Okely. Socio-ecological Predictors of Participation and Dropout in Organised Sports During Childhood. BioMed Central, 2014.

Citação norma MLA

Vella, Stewart A., Dylan P. Cliff, and Anthony D. Okely. Socio-ecological Predictors of Participation and Dropout in Organised Sports During Childhood. BioMed Central, 2014.

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