APA citiranje

Ellen, J. M., Kapogiannis, B., Fortenberry, J. D., Xu, J., Willard, N., Duval, A., . . . Bethel, J. (2014). HIV viral load levels and CD4(+) cell counts of youth in 14 cities.

Citação norma Chicago

Ellen, Jonathan M., et al. HIV Viral Load Levels and CD4(+) Cell Counts of Youth in 14 Cities. 2014.

MLA citiranje

Ellen, Jonathan M., et al. HIV Viral Load Levels and CD4(+) Cell Counts of Youth in 14 Cities. 2014.