APA (7th ed.) Citation

Hagel, J., & Armstrong. (1997). Net gain: Expanding markets through virtual communities. Harvard Business School Press.

Chicago Style (17th ed.) Citation

Hagel, John, and Armstrong. Net Gain: Expanding Markets Through Virtual Communities. Boston, Mass: Harvard Business School Press, 1997.

MLA (8th ed.) Citation

Hagel, John, and Armstrong. Net Gain: Expanding Markets Through Virtual Communities. Harvard Business School Press, 1997.