APA (7th ed.) Citation

Sokol, J. B., & De Wulf, L. (2004). Customs modernization initiatives: Case studies. World Bank.

Chicago Style (17th ed.) Citation

Sokol, José B., and Luc De Wulf. Customs Modernization Initiatives: Case Studies. Washington, DC: World Bank, 2004.

MLA (8th ed.) Citation

Sokol, José B., and Luc De Wulf. Customs Modernization Initiatives: Case Studies. World Bank, 2004.