Cita APA (7th ed.)
Powell, G. R., Groves, S., & Dimos, J. (2011). ROI of $ocial media: How to improve the return on your social marketing investment. John Wiley & Sons (Asia).
Cita Chicago (17th ed.)
Powell, Guy R., Steven Groves, i Jerry Dimos. ROI of $ocial Media: How to Improve the Return on Your Social Marketing Investment. Singapore: John Wiley & Sons (Asia), 2011.
Cita MLA (9th ed.)
Powell, Guy R., et al. ROI of $ocial Media: How to Improve the Return on Your Social Marketing Investment. John Wiley & Sons (Asia), 2011.
Atenció: Aquestes cites poden no estar 100% correctes.