APA (7th ed.) Citation

Walters, A. A. (1968). The economics of road users charges. International Bank for Reconstruction and Development.

Chicago Style (17th ed.) Citation

Walters, A. A. The Economics of Road Users Charges. [Washington, D.C: International Bank for Reconstruction and Development, 1968.

MLA (9th ed.) Citation

Walters, A. A. The Economics of Road Users Charges. International Bank for Reconstruction and Development, 1968.