Cita APA

Andreasen, A. R. (2006). Social marketing in the 21st century. SAGE Publications.

Citación estilo Chicago

Andreasen, Alan R. Social Marketing in the 21st Century. Thousand Oaks, Calif.: SAGE Publications, 2006.

Cita MLA

Andreasen, Alan R. Social Marketing in the 21st Century. SAGE Publications, 2006.