Citação norma APA

Otwombe, K., Dietrich, J., Sikkema, K., de Bruyn, G., Watt, M. v. d., & Gray, G. (2009). OA04-04. Perceived parental willingness for their adolescents to participate in future HIV prevention trials: A survey conducted amongst adolescents in Soweto. BioMed Central.

Citação norma Chicago

Otwombe, K., J. Dietrich, K. Sikkema, G. de Bruyn, M van der Watt, and G. Gray. OA04-04. Perceived Parental Willingness for Their Adolescents to Participate in Future HIV Prevention Trials: A Survey Conducted Amongst Adolescents in Soweto. BioMed Central, 2009.

Citação norma MLA

Otwombe, K., et al. OA04-04. Perceived Parental Willingness for Their Adolescents to Participate in Future HIV Prevention Trials: A Survey Conducted Amongst Adolescents in Soweto. BioMed Central, 2009.

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