Cita APA (7a ed.)

Ramsey, G., & Mayar, V. (2011). Digital impact: The two secrets to online marketing success. John Wiley & Sons, Inc..

Cita Chicago Style (17a ed.)

Ramsey, Geoff, y Vipin Mayar. Digital Impact: The Two Secrets to Online Marketing Success. Hoboken, N.J.: John Wiley & Sons, Inc., 2011.

Cita MLA (8a ed.)

Ramsey, Geoff, y Vipin Mayar. Digital Impact: The Two Secrets to Online Marketing Success. John Wiley & Sons, Inc., 2011.