Cita APA (7a ed.)

Ward, J., & Hansen, K. A. (1997). Search strategies in mass communication (3rd ed.). Longman.

Cita Chicago Style (17a ed.)

Ward, Jean, y Kathleen A. Hansen. Search Strategies in Mass Communication. 3rd ed. New York [etc.]: Longman, 1997.

Cita MLA (9a ed.)

Ward, Jean, y Kathleen A. Hansen. Search Strategies in Mass Communication. 3rd ed. Longman, 1997.