Citação norma APA

Bell, T. G., Makondo, E., Martinson, N. A., & Kramvis, A. (2012). Hepatitis B Virus Infection in Human Immunodeficiency Virus Infected Southern African Adults: Occult or Overt – That Is the Question. Public Library of Science.

Citação norma Chicago

Bell, Trevor G., Euphodia Makondo, Neil A. Martinson, and Anna Kramvis. Hepatitis B Virus Infection in Human Immunodeficiency Virus Infected Southern African Adults: Occult or Overt – That Is the Question. Public Library of Science, 2012.

Citação norma MLA

Bell, Trevor G., Euphodia Makondo, Neil A. Martinson, and Anna Kramvis. Hepatitis B Virus Infection in Human Immunodeficiency Virus Infected Southern African Adults: Occult or Overt – That Is the Question. Public Library of Science, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.