Citação norma APA

Youssef, E., Cooper, V., Miners, A., Llewellyn, C., Pollard, A., Lagarde, M., . . . Fisher, M. (2016). Understanding HIV-positive patients' preferences for healthcare services: A protocol for a discrete choice experiment. BMJ Open.

Citação norma Chicago

Youssef, Elaney, et al. "Understanding HIV-positive Patients' Preferences for Healthcare Services: A Protocol for a Discrete Choice Experiment." BMJ Open 2016.

Citação norma MLA

Youssef, Elaney, et al. "Understanding HIV-positive Patients' Preferences for Healthcare Services: A Protocol for a Discrete Choice Experiment." BMJ Open 2016.

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