Cita APA (7a ed.)

Hannan, M. T., & Freeman, J. (1989). Organizational ecology. Harvard University Press.

Cita Chicago Style (17a ed.)

Hannan, Michael T., y John Freeman. Organizational Ecology. Cambridge, Mass., etc.: Harvard University Press, 1989.

Cita MLA (9a ed.)

Hannan, Michael T., y John Freeman. Organizational Ecology. Harvard University Press, 1989.