Cita APA

Vardas, E., Sitas, F., Seidel, K., Casteling, A., & Sim, J. (1999). Prevalence of hepatitis C virus antibodies and genotypes in asymptomatic, first-time blood donors in Namibia. World Health Organization.

Citación estilo Chicago

Vardas, E., F. Sitas, K. Seidel, A. Casteling, y J. Sim. Prevalence of Hepatitis C Virus Antibodies and Genotypes in Asymptomatic, First-time Blood Donors in Namibia. World Health Organization, 1999.

Cita MLA

Vardas, E., et al. Prevalence of Hepatitis C Virus Antibodies and Genotypes in Asymptomatic, First-time Blood Donors in Namibia. World Health Organization, 1999.