Citazione APA

Sellnow, T. L., Seeger, M. W., & Ulmer, R. R. (2011). Effective crisis communication: Moving from crisis to opportunity (2nd ed.). SAGE.

Stile di citazione Chicago

Sellnow, Timothy L., Matthew W. Seeger, e Robert R. Ulmer. Effective Crisis Communication: Moving from Crisis to Opportunity. 2nd ed. Thousand Oaks: SAGE, 2011.

Citazione MLA

Sellnow, Timothy L., et al. Effective Crisis Communication: Moving from Crisis to Opportunity. 2nd ed. SAGE, 2011.