Cita APA (7a ed.)

Weber, R. P. (1990). Basic content analysis Sage University papers / Quantitative applications in the social sciences.

Cita Chicago Style (17a ed.)

Weber, Robert Philip. "Basic Content Analysis." Sage University Papers / Quantitative Applications in the Social Sciences 1990.

Cita MLA (8a ed.)

Weber, Robert Philip. "Basic Content Analysis." Sage University Papers / Quantitative Applications in the Social Sciences, 1990.