APA Style

Berman, Saul Jay,. (2011). Not for free :making money in the digital age . Boston, Mass. :: Harvard Business Review Press,.

Chicago Style

Berman, Saul Jay,. Not for free :making money in the digital age. Boston, Mass. :: Harvard Business Review Press,, 2011. Text.

MLA Style

Berman, Saul Jay,. Not for free :making money in the digital age. Boston, Mass. :: Harvard Business Review Press,, 2011. Text.

Turabian Style

Berman, Saul Jay,. Not for free :making money in the digital age. Boston, Mass. :: Harvard Business Review Press,, 2011. Print.