Citazione Stile APA (7a Edizione)

Hemelaar, J., Gouws, E., Ghys, P., & Osmanov, S. (2006). Global and regional distribution of HIV-1 genetic subtypes and recombinants in 2004.

Citazione stile Chigago Style (17a edizione)

Hemelaar, J., E. Gouws, P. Ghys, e S. Osmanov. Global and Regional Distribution of HIV-1 Genetic Subtypes and Recombinants in 2004. 2006.

Citatione MLA (9a ed.)

Hemelaar, J., et al. Global and Regional Distribution of HIV-1 Genetic Subtypes and Recombinants in 2004. 2006.