APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Hannan, Michael T., and John Freeman. Organizational Ecology. Cambridge, MA: Harvard University Press, 1989.

MLA (9th ed.) Citation

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