Cita APA (7a ed.)

Cockrum, J. (2011). Free marketing: 101 low and no-cost ways to grow your business, online and off. J. Wiley & Sons.

Cita Chicago Style (17a ed.)

Cockrum, Jim. Free Marketing: 101 Low and No-cost Ways to Grow Your Business, Online and off. Hoboken, N.J.: J. Wiley & Sons, 2011.

Cita MLA (8a ed.)

Cockrum, Jim. Free Marketing: 101 Low and No-cost Ways to Grow Your Business, Online and off. J. Wiley & Sons, 2011.