Cita APA (7th ed.)

Bellamy, R., Ruwende, C., Corrah, T., McAdam, K., Thursz, M., Whittle, H., & Hill, A. (1999). Tuberculosis and chronic hepatitis B virus infection in Africans and variation in the vitamin D receptor gene.

Cita Chicago (17th ed.)

Bellamy, R., C. Ruwende, T. Corrah, K. McAdam, M. Thursz, H. Whittle, i A. Hill. Tuberculosis and Chronic Hepatitis B Virus Infection in Africans and Variation in the Vitamin D Receptor Gene. 1999.

Cita MLA (9th ed.)

Bellamy, R., et al. Tuberculosis and Chronic Hepatitis B Virus Infection in Africans and Variation in the Vitamin D Receptor Gene. 1999.