External knowledge sources and proximity.

MLA

Petruzzelli, Antonio Messeni, et al. “External Knowledge Sources and Proximity.” Journal of Knowledge Management, vol. 13, no. 5, Sept. 2009, pp. 301–18. EBSCOhost, https://doi.org/10.1108/13673270910988123.

APA

Petruzzelli, A. M., Albino, V., & Carbonara, N. (2009). External knowledge sources and proximity. Journal of Knowledge Management, 13(5), 301–318. https://doi.org/10.1108/13673270910988123

Chicago

Petruzzelli, Antonio Messeni, Vito Albino, and Nunzia Carbonara. 2009. “External Knowledge Sources and Proximity.” Journal of Knowledge Management 13 (5): 301–18. doi:10.1108/13673270910988123.