APA (7th ed.) Citation

Psacharopoulos, G., & Patrinos, H. A. (2002). Returns to investment in education: A further update. World Bank.

Chicago Style (17th ed.) Citation

Psacharopoulos, George, and Harry Anthony Patrinos. Returns to Investment in Education: A Further Update. Washington, D.C: World Bank, 2002.

MLA (9th ed.) Citation

Psacharopoulos, George, and Harry Anthony Patrinos. Returns to Investment in Education: A Further Update. World Bank, 2002.