APA (7th ed.) Citation

Audretsch, D. B., Falck, O., & Heblich, S. (2007). It's all in Marshall: The impact of external economies on regional dynamics. CESifo.

Chicago Style (17th ed.) Citation

Audretsch, David B., Oliver Falck, and Stephan Heblich. It's All in Marshall: The Impact of External Economies on Regional Dynamics. Munich: CESifo, 2007.

MLA (9th ed.) Citation

Audretsch, David B., et al. It's All in Marshall: The Impact of External Economies on Regional Dynamics. CESifo, 2007.