Cita APA (7a ed.)

Nielsen Norman Group, Pernice, K. A., Caya, P. C., & Nielsen, J. C. (2009). Intranet design annual 2009 the year's ten best intranets (1st edition.). Nielsen Norman Group.

Cita Chicago Style (17a ed.)

Nielsen Norman Group, Kara Author Pernice, Patty Contributor Caya, y Jakob Contributor Nielsen. Intranet Design Annual 2009 the Year's Ten Best Intranets. 1st edition. [Place of publication not identified]: Nielsen Norman Group, 2009.

Cita MLA (9a ed.)

Nielsen Norman Group, et al. Intranet Design Annual 2009 the Year's Ten Best Intranets. 1st edition. Nielsen Norman Group, 2009.