APA citiranje

Sethi, G., Holden, B. M., Gaffney, J., Greene, L., Ghani, A. C., & Ward, H. (2006). HIV, sexually transmitted infections, and risk behaviours in male sex workers in London over a 10 year period. BMJ Group.

Citação norma Chicago

Sethi, G., B M. Holden, J. Gaffney, L. Greene, A C. Ghani, and H. Ward. HIV, Sexually Transmitted Infections, and Risk Behaviours in Male Sex Workers in London Over a 10 Year Period. BMJ Group, 2006.

MLA citiranje

Sethi, G., et al. HIV, Sexually Transmitted Infections, and Risk Behaviours in Male Sex Workers in London Over a 10 Year Period. BMJ Group, 2006.