APA (7th ed.) Citation

ProQuest (Firm), Wulf, L. d., & Sokol, J. B. (2005). Customs modernization handbook. World Bank.

Chicago Style (17th ed.) Citation

ProQuest (Firm), Luc de Wulf, and Jose B. Sokol. Customs Modernization Handbook. Washington, DC: World Bank, 2005.

MLA (9th ed.) Citation

ProQuest (Firm), et al. Customs Modernization Handbook. World Bank, 2005.

Warning: These citations may not always be 100% accurate.