APA (7th ed.) Citation

Hemelaar, J., Gouws, E., Ghys, P., & Osmanov, S. (2008). Representative sampling and analysis in HIV molecular epidemiology studies.

Chicago Style (17th ed.) Citation

Hemelaar, J., E. Gouws, P. Ghys, and S. Osmanov. Representative Sampling and Analysis in HIV Molecular Epidemiology Studies. 2008.

MLA (9th ed.) Citation

Hemelaar, J., et al. Representative Sampling and Analysis in HIV Molecular Epidemiology Studies. 2008.