APA Style

Andreasen, Alan R.. (2006). Social marketing in 21st Century . London: Sage.

Chicago Style

Andreasen, Alan R.. Social marketing in 21st Century. London: Sage, 2006. Text.

MLA Style

Andreasen, Alan R.. Social marketing in 21st Century. London: Sage, 2006. Text.

Turabian Style

Andreasen, Alan R.. Social marketing in 21st Century. London: Sage, 2006. Print.