Cita APA (7a ed.)

Weber, R. P. (1990). Basic content analysis (2nd ed.). Sage Publications.

Cita Chicago Style (17a ed.)

Weber, Robert Philip. Basic Content Analysis. 2nd ed. Newbury Park, Calif: Sage Publications, 1990.

Cita MLA (9a ed.)

Weber, Robert Philip. Basic Content Analysis. 2nd ed. Sage Publications, 1990.