Cita APA (7a ed.)

Ubogu, F. N., Kekana, A., & Roberts, C. (2006). Library Subject Portals: An Investigation of Possibilities for the University of the Witwatersrand Library.

Cita Chicago Style (17a ed.)

Ubogu, Felix N., Arthur Kekana, y Charl Roberts. Library Subject Portals: An Investigation of Possibilities for the University of the Witwatersrand Library. 2006.

Cita MLA (9a ed.)

Ubogu, Felix N., et al. Library Subject Portals: An Investigation of Possibilities for the University of the Witwatersrand Library. 2006.