Helleberg, M., May, M. T., Ingle, S. M., Dabis, F., Reiss, P., Fätkenheuer, G., . . . Obel, N. (2015). Smoking and life expectancy among HIV-infected individuals on antiretroviral therapy in Europe and North America. AIDS (London), 29(2), 221. https://doi.org/10.1097/QAD.0000000000000540
Citácia podle Chicago (17th ed.)Helleberg, Marie, et al. "Smoking and Life Expectancy Among HIV-infected Individuals on Antiretroviral Therapy in Europe and North America." AIDS (London) 29, no. 2 (2015): 221. https://doi.org/10.1097/QAD.0000000000000540.
Citácia podľa MLA (8th ed.)Helleberg, Marie, et al. "Smoking and Life Expectancy Among HIV-infected Individuals on Antiretroviral Therapy in Europe and North America." AIDS (London), vol. 29, no. 2, 2015, p. 221, https://doi.org/10.1097/QAD.0000000000000540.