Citazione Stile APA (7a Edizione)
Christensen, K., & Levinson, D. Encyclopedia of Community: From the Village to the Virtual World. Sage.
Citazione stile Chigago Style (17a edizione)
Christensen, Karen, e David Levinson. Encyclopedia of Community: From the Village to the Virtual World. Los Angeles, EUA: Sage.
Citatione MLA (9a ed.)
Christensen, Karen, e David Levinson. Encyclopedia of Community: From the Village to the Virtual World. Sage.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.