APA (7th ed.) Citation

Walters, A. (1979). Costs and scale of bus services. World Bank.

Chicago Style (17th ed.) Citation

Walters, A.A. Costs and Scale of Bus Services. Washington, D.C: World Bank, 1979.

MLA (9th ed.) Citation

Walters, A.A. Costs and Scale of Bus Services. World Bank, 1979.