Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Hagel, John, y Arthur G. Armstrong. Net Gain: Expanding Markets Through Virtual Communities. Boston: Harvard Business School Press, 1997.

Cita MLA (9a ed.)

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