APA (7th ed.) Citation

Penn, M. J., & Zalesne, E. K. (2007). Microtrends: The small forces behind tomorrow's big changes. Twelve.

Chicago Style (17th ed.) Citation

Penn, Mark J., and E. Kinney Zalesne. Microtrends: The Small Forces Behind Tomorrow's Big Changes. New York: Twelve, 2007.

MLA (9th ed.) Citation

Penn, Mark J., and E. Kinney Zalesne. Microtrends: The Small Forces Behind Tomorrow's Big Changes. Twelve, 2007.