Cita APA (7a ed.)

Smith, G. (2007). Tagging: People-powered Metadata for the Social Web (1st edition.). New Riders.

Cita Chicago Style (17a ed.)

Smith, Gene. Tagging: People-powered Metadata for the Social Web. 1st edition. New Riders, 2007.

Cita MLA (9a ed.)

Smith, Gene. Tagging: People-powered Metadata for the Social Web. 1st edition. New Riders, 2007.