Cita APA (7a ed.)
A, J., T, R., LG, J., L, P., V, A., D, S., . . . Zerjav, S. (2009). Improving survey methods in sero-epidemiological studies of injecting drug users: A case example of two cross sectional surveys in Serbia and Montenegro. BMC Infectious Diseases, 9(1), 14-15.
Cita Chicago Style (17a ed.)
A, Judd, et al. "Improving Survey Methods in Sero-epidemiological Studies of Injecting Drug Users: A Case Example of Two Cross Sectional Surveys in Serbia and Montenegro." BMC Infectious Diseases 9, no. 1 (2009): 14-15.
Cita MLA (9a ed.)
A, Judd, et al. "Improving Survey Methods in Sero-epidemiological Studies of Injecting Drug Users: A Case Example of Two Cross Sectional Surveys in Serbia and Montenegro." BMC Infectious Diseases, vol. 9, no. 1, 2009, pp. 14-15.
Precaución: Estas citas no son 100% exactas.