Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

Ulmer, Robert R., Mathew W. Seeger, et Timothy L. Sellnow. Effective Crisis Communication: Moving from Crisis to Opportunity. 2nd ed. Los Angeles: SAGE, 2011.

Style de citation MLA (9e éd.)

Ulmer, Robert R., et al. Effective Crisis Communication: Moving from Crisis to Opportunity. 2nd ed. SAGE, 2011.